| Building Overview | Technologies | Game Strategies | CBP Version | History |
Religion[]
The Religion technologies strengthens Cities by increasing the hit points, combat range, and national border push of all Cities that have Temples.
| Technology | Cost | Requires | Effects |
|---|---|---|---|
 Religion |
70  70 
|
 Civic 2 (Empire)
|
+4 to national borders +2 City combat range +50% City hit points |
 Monotheism |
150 150
|
Civic 4 (Divine Right) Religion |
+6 to national borders +3 City combat range +100% City hit points |
 Existentialism |
360 360
|
Civic 6 (Great Power) Monotheism |
+9 to national borders +4 City combat range +150% City hit points |
Taxation[]
Taxation technologies provide Wealth income based on territory owned. They also increase the resource gather rate for rare resources in friendly territory and the non-food incomes from Fish and Whales.
The British nation power doubles the Taxation research's income.
| Technology | Cost | Requires | Effects |
|---|---|---|---|
 Taxation |
80 80 
|
Civic 1 (City State)
|
50% taxation rate +20% rare resources gather rate |
 Vassalage |
160 160
|
Civic 3 (Feudalism) Taxation |
100% taxation rate +50% rare resources gather rate |
 Social Contract |
320 320
|
Civic 5 (Constitution) Vassalage |
200% taxation rate +100% rare resources gather rate |
 Income Tax |
480 480
|
Civic 6 (Great Power) Social Contract |
300% taxation rate +200% rare resources gather rate |