In order for civilizations to create fewer cities, the cost of creating settlers is increased, each new settler costs 100 more than the previous one.
Wonder of the World Great Library is now available after studying the social institution "early empire".
Builders have two actions instead of three.
This mod adds the dependence of hiring units on the population in cities, each hired unit reduces the population in the city per inhabitant.
This should naturally regulate the population in cities so that they do not grow, you hire an army, you lose units in battles, the population decreases, there is no one to process the cells of the city until the population again grows a new army, there is simply no one to hire.
To build units, the city needs at least two units of the population.
Units and population cost 1.1
This mod adds the dependence of hiring units on the population in cities.