Chiang Kai-shek is a standard part of the world history course in the US in high school. We know why China wants Taiwan at the personal level, much of the world is just interested in that not happening.
It's a civil war like the American revolution was a civil war and France helped out.
This is the first time I've ever seen a non-Chinese person say it this way on Reddit, X, or this platform. I must have scrolled through way too much Reddit.