Research Trees

Pioneers Tree[]

Name	Cost	Requires	Description
Axehammer	125	-	Buildings cost 5 less wood, but your workers curse you for having to chop down the trees themselves.
Optimized Construction	150	-	Buildings cost 10 less planks, and your inhabitants hope it doesn't get too windy.
Pig Ranch	30	-	Is 4 times as - OINK! - effective as the piggery, but needs more - OINK! - space.
Sawmill	10	-	Saws double the amount of wood as the saw works, and yields more planks from the same amount of wood, but needs a river build spot. Mind your fingers!
Arboretum	100	-	Plants new trees in forest spaces with fewer than three trees. Hates all lumberjacks.
Storage Expansion	50	-	Expands the island storage by 50.
Garrison Expansion	75	-	Expands the garrison limit by 20.
Sprouting Touch	5	-	Automatically replants trees chopped by hand.
Echoing Touch	100	-	Each tap is now counted as double.
Aquatic Touch Technique	15	-	You can now fish by hand, and might find random flotsam.
War Drums	150	-	All future battles are 10 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
Village Fair	1	-	You receive once-only 30 militias, who gave themselves liquid courage.
Vanguard	120	-	Each newly discovered island will be equipped with militia up to the garrison limit. This doesn't apply to ongoing discovery missions.
Squire	40	-	With a hastily assembled wooden shield, this unit is remarkably resistant to ranged attacks.
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Exploration	15	Phoenix from the Ashes	You receive once-only 1 cartography. Your residents are encouraged to undertake longer hikes.
Outpost	100	-	Each newly discovered island will start with a garrison equal to the Kontor tier. This doesn't apply to ongoing discovery missions.
Clearing	80	-	You get the free cartography option to clear a newly discovered island of all trees. Their yield is put into your storage.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Phoenix from the Ashes	50	-	You will receive once-only a small flagship, which your pioneers lovingly assembled from the debris of your arrival. By the way, you've run out of sticky tape...
Efficient Stacking	80	Phoenix from the Ashes	Your small flagships can now carry twice the amount of cargo. All it needed was a special ditty for the sailors.
Streamlined Hull	80	Phoenix from the Ashes	Your small flagships' travel time is reduced by 33% within a region.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your pioneers generate 10% more creativity (and fool around 10% more).
Cistern	65	-	Provides fresh water to houses in a large area.
Labor Camp	65	-	You can trade in your militias for a selection of basic building materials here every 8 hours. You receive more options as you reach higher population levels.
Psychological Persuasion	100	-	Your pioneers provide 20% more militias.

Colonists Tree[]

Name	Cost	Requires	Description
Wage Optimization	125	-	Buildings cost 5 fewer coins, because all construction workers are now part of a "family".
Optimized Construction	150	-	Buildings cost 10 less limestone, and your inhabitants hope for no earthquakes.
Flour Windmill	75	-	Grinds wheat into flour. Has the same efficiency, but doesn't need a river build spot.
Rickyard	125	-	Consumes wheat to double the yield at all nearby ranches raising pigs, sheep, horses or cattle.
Textile Factory	100	-	Processes yarn into fabric. Produces more fabric from less yarn, but needs a river build spot.
Storage Expansion	75	-	Expands the island storage by 100.
Garrison Expansion	100	-	Expands the garrison limit by 20.
Forefinger Workout	80	-	You can now quarry limestone by hand on temperate islands.
Cargo Kontor	50	-	Reduces the cargo queue of trade routes by half. Collects goods from other buildings and expands the island storage by 100 per good. You can only build one Cargo Kontor per island.
Trade Charter	75	-	You can now sell random goods in exchange for coins at the kontor every 8 hours. Your selection expands as you reach higher population levels.
War Drums	150	-	All future battles are 10 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
Mercenaries	100	-	You can recruit units for coins in your garrison while you own at least one of the relevant training buildings.
Pillage	80	-	Each conquered enemy camp yields some coins.
Berserker	100	-	This fearsome warrior whirls with his greataxe through the enemy ranks, mowing down several foes in his path. Used to be a gardener.
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Construction Unit I	50	-	You get the cartography option to start a newly discovered temperate island with a Kontor II.
Seedlings	75	-	Reduces the cost of selecting fertilities for newly discovered islands by 4.
Processing	80	Clearing	The cartography option to clear an island of trees yields the same amount of planks in addition to wood.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Fleet Command	100	-	You can now send an additional ship on a discovery mission. Your caravel captains roll their eyes when a cog sails along.
Efficient Stacking	80	-	Your cogs can now carry 20 more per cargo hold. All it needed was a special ditty for the sailors.
Streamlined Hull	80	-	Your caravels' travel time is reduced by 33%.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your colonists generate 10% more creativity (and generate 10% more crazy ideas).
Harbor Tavern	50	-	Provides community to houses in a huge area. You can recruit random troops in exchange for coins every 8 hours here. Your selection expands as you reach higher population levels.
Mercenary Guild	50	-	You can trade in a random selection of troops for coins here every 8 hours. Your selection expands as you reach higher population levels.
Property Tax	100	-	Your colonists reluctantly pay 20% more taxes.

Townsmen Tree[]

Name	Cost	Requires	Description
Wage Optimization	125	-	Buildings cost 5 fewer coins, because all construction workers are now part of a dynamic team.
Optimized Construction	150	-	Buildings cost 10 less mortar, and your inhabitants close their doors more carefully.
Paddock	125	-	Consumes horses to double the yield of all nearby farms with plowable fields.
Charcoal Kiln	50	-	Burns wood to produce coal (but produces coal more slowly than a coal mine).
Boulder Gatherer	75	-	Gathers limestone on grass fields without buildings. The fields can be shared with livestock.
Storage Expansion	75	-	Expands the island storage by 150.
Garrison Expansion	100	-	Expands the garrison limit by 20.
Swift Finger	200	Echoing Touch	Each tap is now counted as triple.
Ship Guild	40	-	Once a day, you can charter a fast ship here for 24 hours using coins. Your selection expands as you reach higher population levels.
Weir	125	-	Doubles the effectiveness of a coastal field for fishermen.
War Drums	150	-	All future battles are 15 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
Bribery	100	-	You have the ability to bribe enemy units, removing them from their camp. The messenger typically doesn't return.
Baggage Train	125	-	Increases the supporter limit to twice the assignment limit.
War Drummer	100	-	This support unit encourages your units to fight faster. You can't stop the beat (except with an orcish axe).
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Construction Unit II	60	Construction Unit I	You get the cartography option to start a newly discovered temperate island with a Kontor III.
Orology	100	-	Changes to mountain size cost 1 cartography less.
Tropical Islands	25	-	You can now discover islands in the tropical region and can discover an additional island.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Supply Casks	80	-	Your small flagships can now travel to other regions.
Efficient Stacking	80	-	Your hulks can now carry 30 more per cargo hold. All it needed was a special ditty for the sailors.
Streamlined Hull	80	-	Your pinnaces' travel time is reduced by 25% within a region.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your townsmen generate 10% more creativity (and spend 10% more time in the tavern).
Town School	75	-	Provides surrounding houses in a huge area with access to education. Uses chalk straight from the island storage.
Fair	50	-	Provides community to houses within a large area. In addition, you can gamble with your coins here once every 8 hours. You can gamble larger amounts as you reach higher population levels. You can only build one fair per island.
Middle Class Tax	100	-	Your townsmen reluctantly pay 20% more taxes.

Merchants Tree[]

Name	Cost	Requires	Description
Wage Optimization	150	-	Buildings cost 5 fewer coins, because all construction workers now have a competitive salary.
Optimized Construction	175	-	Buildings cost 10 fewer bricks, and your inhabitants don't lean against walls anymore.
Deep Copper Mine	150	-	Mines copper ore from a copper deposit. Twice as fast as a conventional mine.
Forest Warden's Cabin	125	-	Chops nearby trees for wood and replants them immediately.
Coining Press	175	-	Mints coins from gold ingots. Inherently inflation-proof. Only one Coining Press per island.
Storage Expansion	100	-	Expands the island storage by 300.
Garrison Expansion	125	-	Expands the garrison limit by 20.
Breaking Touch	85	-	You can now quarry marble by hand.
Trading Acumen	200	-	You receive 50% more coins from trading.
Cargo Trade Charter	100	-	You can now sell random goods in exchange for coins at the cargo kontor every 8 hours. Your selection expands as you reach higher population levels.
War Drums	175	-	All future battles are 20 minutes shorter.
Bannerman	125	-	You can assign 10 additional units to a battle.
Larger Gold Pouches	125	Bribery	Increases the bribery limit by 25.
Landing Barges	225	-	On newly discovered islands, you get the cartography option to start with two additional corner camps already conquered.
Composite Bow Archer	125	-	Equipped with their compact yet highly effective composite bows, these units deliver a precise first strike, decimating enemy troops before they even launch their attack.
Better Relations	125	-	You can discover one more island.
Bigger Islands	125	-	Increases the maximum island size by 2.
Construction Unit III	85	Construction Unit II	You get the cartography option to start a newly discovered temperate island with a Kontor IV.
Northern Islands	175	-	You can now discover islands in the northern region and can discover an additional island.
Sugar Beets	125	-	You can now select sugar beets as a fertility for temperate islands. Sugar beets are a source of sugar!
Better Spyglasses	125	-	All island discoveries are completed 35% faster.
Improved Sails	175	-	All ships are 10% faster within a region.
Legendary Captains	150	-	All your flagships travel the open seas between regions four times faster.
Efficient Stacking	105	-	Your galleons can now carry 60 more per cargo hold. All it needed was a special ditty for the sailors.
Streamlined Hull	105	-	Your clippers' travel time is reduced by 20% within a region.
Optimized Accounting	150	-	All your inhabitants pay 5% more taxes.
Slack Time	125	-	Your merchants generate 10% more creativity (which they mostly use to get better bargains).
Hospital	125	-	Provides surrounding houses in a huge area with access to medical care. Uses fish oil straight from the island storage.
Inventors' Guild	90	-	You can trade in a random selection of creativity for coins here every 8 hours. Your selection expands as you reach higher population levels.
Wealth Tax	125	-	Your merchants reluctantly pay 20% more taxes.

Paragons Tree[]

Name	Cost	Requires	Description
Wage Optimization	175	-	Buildings cost 5 fewer coins, because all construction workers now have virtual shares.
Optimized Construction	200	-	Buildings cost 10 less marble, and your inhabitants don't hang any pictures any more.
Saltern	200	-	Extracts salt from the ocean.
Treasure Seeker	175	-	Looks for - my PRECIOUS - ehm, gold jewelry in empty river beds and isn't gentle with his friends.
Pantheon	250	-	Generates favor per conquered field of the island. Highly flattering to the Paragons. Can be built in all regions, but only once per island.
Storage Expansion	125	-	Expands the island storage by 600.
Garrison Expansion	150	-	Expands the garrison limit by 20.
Digging Touch	150	Breaking Touch	You can now harvest all deposits by hand. (After researching this, long tap on ore deposits to quick-select the appropriate mine building.)
Regular Customers	200	-	Your trade volume is increased by 50%.
Professional Photography	200	-	You receive 50% more coins and favor when handing over islands.
War Drums	200	-	All future battles are 30 minutes shorter.
Bannerman	150	-	You can assign 10 additional units to a battle.
Silver Tongue	200	Bribery	You can now also bribe the war chief of a camp. But beware, it will be expensive!
Elite Bannerman	250	-	You can assign 100 additional units to a battle against a warchief.
Musketeer	150	-	A versatile unit that is particularly effective in large numbers. The line formation allows for a continuous barrage on the enemy.
Better Relations	150	-	You can discover one more island.
Bigger Islands	150	-	Increases the maximum island size by 2.
Construction Unit IV	110	Construction Unit III	You get the cartography option to start a newly discovered temperate island with a Kontor V.
Shovel Brigade	200	-	You get the cartography option to find perfectly square islands with a straight coastline.
Marble Pit	150	-	On newly discovered islands, marble deposits can now be found in grasslands and don't need mountains anymore. This doesn't apply to ongoing discovery missions.
Better Spyglasses	150	-	All island discoveries are completed 35% faster.
Improved Sails	200	-	All ships are 10% faster within a region.
Interceptor	200	-	You receive once-only a large flagship, a gift from your Paragons as a sign of their appreciation. However, you weren't home at the time of delivery, and now you must search for it.
Efficient Stacking	130	-	Your schooners can now carry 180 more per cargo hold. All it needed was a special ditty for the sailors.
Streamlined Hull	130	-	Your windjammers' travel time is reduced by 16% within a region.
Optimized Accounting	175	-	All your inhabitants pay 5% more taxes.
Slack Time	150	-	Your Paragons generate 10% more creativity (and throw 10% more parties).
Senate	150	-	Provides surrounding houses in a huge area with access to administration.
Large Thermal Bath	175	-	Provides hygiene and fresh water to houses within a huge area. Soap and towels are included.
Elite Engagement	200	-	Your Paragons generate 20% more favor.

Farmers Tree[]

Name	Cost	Requires	Description
Wage Optimization	125	-	Buildings cost 5 fewer coins, because all construction workers now have flat hierarchies.
Optimized Construction	150	-	Buildings cost 10 less fiber, and your inhabitants hope for less rain.
Crocodile Ranch	75	-	Allows you to produce leather on tropical islands with rivers, but at a very slow rate. Crocodile hunting ain't easy!
Sugar Windmill	50	-	Extracts sugar from sugar cane. Works slower, but doesn't need a river build spot.
Saltern	100	-	Extracts salt from the ocean.
Storage Expansion	75	-	Expands the island storage by 150.
Garrison Expansion	100	-	Expands the garrison limit by 20.
Explosive Touch	125	-	Taps are now also counted for directly adjacent fields of the same type.
Cargo Kontor	50	-	Reduces the cargo queue of trade routes by half. Collects goods from other buildings and expands the island storage by 100 per good. You can only build one Cargo Kontor per island.
Ship Guild	40	-	Once a day, you can charter a fast ship here for 24 hours using coins. Your selection expands as you reach higher population levels.
War Drums	150	-	All future battles are 10 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
Larger Gold Pouches	100	Bribery	Increases the bribery limit by 25.
Ranged Vanguard	120	-	Each newly discovered island will be equipped with slingers up to the garrison limit. This doesn't apply to ongoing discovery missions.
Field Surgeon	100	-	A much-loved support unit that can stabilize and rescue fallen troops, but also puts itself in danger.
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Coal Pit	100	-	On newly discovered tropical islands, coal deposits can now be found in grasslands and don't need mountains any more. This doesn't apply to ongoing discovery missions.
Miner Training	100	Clearing	Clearing islands now also yields limestone in temperate regions and bricks in tropical regions, depending on the mountain field count.
Potamology	100	-	Changes to river count cost 1 less cartography.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Princess	60	-	You will receive once-only a small flagship, which your farmers build with love. Take good care of their princess and avoid pirates!
Efficient Stacking	80	-	Your barques can now carry 20 more per cargo hold. All it needed was a special ditty for the sailors.
Streamlined Hull	80	-	Your skiffs' travel time is reduced by 33%.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your farmers generate 10% more creativity (and have 10% longer siestas).
Whim House	125	-	Provides fresh water to houses in a large area. Uses water buffalo straight from the island storage. Researching this also unlocks the Water Buffalo Ranch.
Labor Camp	65	-	You can trade in your slingers for a selection of tropical building materials or coins here every 8 hours. Your selection expands as you reach higher population levels.
Mobilization	100	-	Your farmers provide 20% more slingers.

Workers Tree[]

Name	Cost	Requires	Description
Wage Optimization	150	-	Buildings cost 5 fewer coins, because all construction workers get attractive benefits.
Optimized Construction	175	-	Buildings cost 10 fewer bricks, and your inhabitants diligently scare away all wolves.
Gold Panner	125	-	Sifts gold nuggets from empty riverbeds and melts them into gold ingots. A labor of love!
Mahogany Arboretum	150	-	Plants new mahogany trees in forest spaces with fewer than three trees.
Buffalo Butchery	125	Whim House	Processes water buffalo and salt into meat.
Storage Expansion	100	-	Expands the island storage by 300.
Garrison Expansion	125	-	Expands the garrison limit by 20.
Shoveling Touch	75	-	You can now quarry clay from tropical mountain cliffs by hand.
Rickyard	150	-	Consumes wheat to double the yield at all nearby ranches raising goats or water buffalo.
Buffalo Pasture	150	Whim House	Consumes water buffalo to double the yield of all nearby plantations with plowable fields.
War Drums	175	-	All future battles are 20 minutes shorter.
Bannerman	125	-	You can assign 10 additional units to a battle.
Larger Gold Pouches	125	Bribery	Increases the bribery limit by 25.
Baggage Train	225	Baggage Train	Increases the supporter limit to three times the assignment limit.
Shield Bearer	125	-	A defensive unit, especially effective against ranged units with its large shield.
Better Relations	125	-	You can discover one more island.
Bigger Islands	125	-	Increases the maximum island size by 2.
Construction Brigade I	85	-	You get the cartography option to start a newly discovered tropical island with a Kontor II.
Cotton	125	-	You can now select cotton as a fertility for tropical islands. Cotton is an effective source for producing wool.
Scouts	200	-	On each newly discovered island, the second row of enemy camps is also revealed. This doesn't apply to ongoing discovery missions.
Better Spyglasses	125	-	All island discoveries are completed 35% faster.
Improved Sails	175	-	All ships are 10% faster within a region.
Dying Gull	125	-	You receive once-only a medium-sized flagship, which your workers found in an abandoned bay. It apparently used to be a notorious pirate ship.
Efficient Stacking	125	Dying Gull	Your medium flagships get two additional cargo holds.
Streamlined Hull	125	Dying Gull	Your medium flagships' travel time is reduced by 25% within a region.
Optimized Accounting	150	-	All your inhabitants pay 5% more taxes.
Slack Time	125	-	Your workers generate 10% more creativity (and finish their work day 10% earlier).
Stadium	125	-	Satisfies the need for exercise for houses in a large area, without consuming anything.
Researchers' Guild	90	-	You can trade in coins for a random selection of creativity here every 8 hours. Your selection expands as you reach higher population levels.
Regressive Tax	125	-	Your workers reluctantly pay 20% more taxes.

Apprentices Tree[]

Name	Cost	Requires	Description
Wage Optimization	125	-	Buildings cost 5 fewer coins.
Optimized Construction	150	-	Buildings cost 5 fewer wood.
Apprentice Conjuration	100	-	You can trade in mana for a variety of items in apprentice dormitories every 8 hours.
Storage Expansion	75	-	Expands the island storage by 100.
Garrison Expansion	100	-	Expands the garrison limit by 20.
Bursting Touch	75	-	You can now quarry basalt from high seas mountain cliffs by hand.
War Drums	150	-	All future battles are 10 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
War Mage Training	100	Apprentice Conjuration	You can now recruit apprentices as support units in apprentice dormitories.
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Outpost Portal	75	-	Each newly discovered island will start with a Portal I. This doesn't apply to ongoing discovery missions.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Small Ship Portal	125	-	Your small flagships teleport to other islands without delay when they are empty. Doesn't affect discovery missions.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your apprentices generate 10% more creativity (and have a 10% longer semester break).
Detention	100	-	Your apprentices create 20% more mana.

Adepts Tree[]

Name	Cost	Requires	Description
Wage Optimization	125	-	Buildings cost 5 fewer coins.
Optimized Construction	150	-	Buildings cost 10 fewer basalt.
Adept Conjuration	125	-	You can trade in mana for a variety of items in adepts' quarters every 8 hours.
Storage Expansion	75	-	Expands the island storage by 150.
Garrison Expansion	100	-	Expands the garrison limit by 20.
Cargo Kontor	50	-	Reduces the cargo queue of trade routes by half. Collects goods from other buildings and expands the island storage by 100 per good. You can only build one Cargo Kontor per island.
War Drums	150	-	All future battles are 15 minutes shorter.
Bannerman	100	-	You can assign 10 additional units to a battle.
War Mage Training	125	Adept Conjuration	You can now recruit adepts as swift combat units in adepts' quarters.
Better Relations	100	-	You can discover one more island.
Bigger Islands	100	-	Increases the maximum island size by 2.
Large Outpost Portal	125	-	Each newly discovered island will start with a Portal II. This doesn't apply to ongoing discovery missions.
Better Spyglasses	100	-	All island discoveries are completed 35% faster.
Improved Sails	150	-	All ships are 10% faster within a region.
Medium Ship Portal	125	-	Your medium flagships teleport to other islands without delay when they are empty. Doesn't affect discovery missions.
Optimized Accounting	125	-	All your inhabitants pay 5% more taxes.
Slack Time	100	-	Your adepts generate 10% more creativity (and deal 10% longer with spell aftereffects).
Extensive Studies	100	-	Your adepts create 20% more mana.

Archmages Tree[]

Name	Cost	Requires	Description
Wage Optimization	175	-	Buildings cost 5 fewer coins.
Optimized Construction	200	-	Buildings cost 10 fewer marble.
Archmage Conjuration	150	-	You can trade in elder mana for a variety of items in archmage's towers every 8 hours.
Storage Expansion	125	-	Expands the island storage by 600.
Garrison Expansion	150	-	Expands the garrison limit by 20.
Smelting Touch	200	Digging Touch	Manually mined deposits yield the processed goods instead of the ore.
War Drums	200	-	All future battles are 30 minutes shorter.
Bannerman	150	-	You can assign 10 additional units to a battle.
War Mage Training	250	Archmage Conjuration	You can now recruit archmages as mighty combat units in archmage's towers.
Better Relations	150	-	You can discover one more island.
Bigger Islands	150	-	Increases the maximum island size by 2.
Seeing-stones	200	-	On each newly discovered island, all enemy camps with warchiefs are also revealed. This doesn't apply to ongoing discovery missions.
Better Spyglasses	150	-	All island discoveries are completed 35% faster.
Improved Sails	200	-	All ships are 10% faster within a region.
Large Ship Portal	150	-	Your large flagships teleport to other islands without delay when they are empty. Doesn't affect discovery missions.
Optimized Accounting	175	-	All your inhabitants pay 5% more taxes.
Slack Time	150	-	Your Archmages generate 10% more creativity (and are 10% longer suddenly vanished).
Ancient Knowledge	200	-	Your archmages create 20% more elder mana.

Infinite Tree[]

Name	Cost	Requires	Description
Wage Optimization	250	-	Buildings cost 5 fewer coins.
Optimized Construction	300	-	Buildings cost 2 less of each build material.
Storage Expansion	150	-	Expands the island storage by 100.
Garrison Expansion	200	-	Expands the garrison limit by 20.
War Drums	300	-	All future battles are 20 minutes shorter.
Bannerman	200	-	You can assign 5 additional units to a battle.
Better Relations	200	-	You can discover one more island.
Bigger Islands	400	-	Increases the maximum island size by 2.
Better Spyglasses	200	-	All island discoveries are completed 35% faster.
Improved Sails	300	-	All ships are 5% faster within a region.
Optimized Accounting	250	-	All your inhabitants pay 5% more taxes.
Slack Time	200	-	All your inhabitants generate 5% more creativity.