Any aggression must have some justification, otherwise you will not be able to fight with someone.
it’s possible for you to check this by turning on the political map mode.
Countries highlighted in gray are out of your reach.
You cannot trade with them or accept any diplomatic relations.
Declaring war without casus belli is not recommended because you will lose stability points.
For some, you will only get access under certain conditions and in certain situations.
2)Any demand in the negotiations will also be noticed at the points of aggressive expansion.
This is a negative factor that determines the militancy of your state.
The higher, the more reluctant you will be to neighboring nations.
It’s similar with any other reason to war.
If you do not sign the peace pact in the given time, it will be automatically turned on.
It’s worth to conquer some land and capture as many enemy cities as possible during this time.
You often get extra slaves or money if you conquer enemy capitals.
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