They flew planes over the blockade and dropped supplies to the needed locations.
the answer to your question is false it helps
He reformed the taxes, the law into codex justinianus which is used today and he conquered part of the west back.
The answer is A because for starters, B has nothing to do with the Mexican American War. It is not C because Great Britain was neutral and had nothing to do with Mexican American affairs. It is not D because California had already declared independence and was not part of the U.S. The Union had nothing to do with California.