For instance, the Civ games are basically Whig History: The Game, presenting liberal capitalism as the ideal end point for all societies. It even includes uncivilized "barbarian tribes" whose sole purpose is to be exterminated so you can take their land for the glory of capitalism.
in the first one, "democracy" gave a 50/50 that any war you tried to start would be blocked by congress, that body that famously blocks definitely peaceloving countries from starting wars
Oh man i remember that mechanic!