Is there a way to know which country is at war with another country? I know that there is the Diplomacy Panel, but it only tells my situation with other AI civilizations. What I want to know is : Is there a war between other civilizations (AI)?
You can get a lot of information about other civilizations through the
Diplomacy Overview screen. You can access this screen through the drop down menu in the top right corner. This menu is accessible by using the button next to the
Social Policies button. Once you open up the Diplomacy Overview, click the tab labelled
Global Politics. A screen like this should appear, which informs you of the relationships of each opponent: