The USA has a choice between two parties - democrat or republican. China only has one party, Russian has (in principle) one party and North Korea only has one dictator.
So if these places got a second party or dictator, it would be a 50% improvement.
Continues to be. It’s not over; it has been going on for over half a century, and counting.
How was it that Toby Ziegler (The West Wing) put it? “Since it never ends and no one ever wins, maybe we should stop calling it a war”?