Very good points. As China becomes the world’s largest trading nation it gets far more interests around the world.
China is dependent on oil from Angola, iron ore from Brazil, and customers in Nigeria.
Those are the sort of nations they are likely to get involved in.
China is about to discover the problem with taking over African countries. It’s easy at first, you just need money. Then you need a lot more money. Then there is never enough money. Then they turn on you.