especially with the new update, it seems completely impossible. I've tried the macao strategy, but now portugal wants me to cede the entire fucking state of guangdong! yeah i banned opium but now i have to get that whole fucking state back! is there another way?
I've also occasionally won by cheesing the brits by counter-invading random fucking places to draw their armies out and even one time invaded Ireland and almost capitulated them before they kicked me off and those bought me enough time and war exhaustion points to get a ceasefire without moving the capital