Up to 7 Foreign powers, each with their own agenda, compete to stake their claim as the Qing dynasty collapse after the Boxer Rebellion. Managing supply logistics and signing treaties of "friendship" are as much a feature as armed conflict. Rules are simple, Email or DM me for a copy in English.
Each turn begin with a diplomacy discussion among players. Then everyone writes down plans of action. Those are revealed and resolved simultaneously along with combat.
https://boardgamegeek.com/boardgame/110356/new-imperialism-in-china