War successes is a balance sheet calculated within the game based on 5 parameters:
10 points for each city captured.
1 points for each settler or worker captured.
4 points for each winning battle on the offense.
3 points for each battle won on the defense.
10 points for each nuke. I think lost units from nuke are ignored, so each nuke brings 10 and no more to avoid abuses.
Do units lost on transports at sea factor into it at all?

I got one problem thou. For example - I've downloaded 2 mods in particular : One that changes Civ's flags and second that allows the player to play on certain earth maps with the possibility to choose one's leader.
Thanks for the help and sorry for my English - it's not my native language as You can probably see hehe.
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. The unexpected extra overflow was that turn's surplus food production. It went to the mids.