Taiwan became important because an exile government of China was formed there that claimed to be the rightful government of China. This caused China to have two governments, one that ruled China which was the communist one and one in exile which claimed their right to have power over China but couldn't actually use that power in any way. The problem still exists today and other countries have mostly been neutral on this question.
Answer: The correct answers are:
Battle of the Bulge
Operation Overlord
According to Jackson, in order for the national government to "be worth defending", "<span>The national government must protect people's rights and property," since Jackson viewed himself and his administration as being for the "common people". </span>
I think it might be d although I am not entirely sure.