Their specific aspects have been described in separate sections.
Improvements are constructed by builders and you only have to build them once.
Unlike units, you don’t have to upgrade them manually.
It is highly important in the game, since improvements are the only way to use the resources.
Improvements can be built on specific resources, as long as the terrain allows it.
Basic improvements
This section contains all improvements available for every nation.
Fort
Prerequisite
Units inside the fort get+4 defense.
have a go at place strong units in forts and upgrade them.
Mine
Apprenticeship:+1 Gold
Industrialization:
This improvement allows you to mine more resources.
Each airstrip lets you have three air units, so you will need to invest in more of them.
Fishing boats
Resources
Cartography:+1 Gold
Plastics:+1 Food
Sailing
Another improvement from the first tier.
Useful if you’re going to build your city on a coast.
They become available in the Modern Era, so don’t worry about placing other improvements on tiles.
Missile silo
Nuclear and thermonuclear weapon launcher.
The silo becomes available in the final part of the game.
attempt to build it before others and don’t hesitate to use it if it’s necessary.
Roman Fort - Rome
Terrain (regular or hills)
Units in the fort get+4 Defense.
Place pastures around it to maximize profits.Do not forget to take care of other basic sources of income.
Upgrades for the Kurgans are unlock rather late in the game.
Mission - Spain
Research and Neighborhood
+2 Faithif it’s on a different continent than the capital.
You will quickly develop your Housing, while Food will increase your population.
Chateau - France
Can only be built on hexes adjacent to rivers.
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