Did not concern us.
Didn’t want to fight another war.
Cost money.
They were all political leaders and they all rebelled to gain independence for their country
Communist, like China.
Socialism is a set of political beliefs involving the way society should be organized, and communism is pretty much an extreme form of socialism. That rules out the last two answers (because they involve democracy). The first answer is ruled out because the European Union is not communist, and China IS communist.