I think the answer is B but it's been a while after all I'm in high school now so yea lol but its B
The main focus city of the Crusades was Jerusalem. The idea was that it was Christian territory, or at least should be Christian territory, and they always went to reconquer it. The fourth Crusade never made it to Jerusalem because they were busy sacking Constantinople which had a lot of troubles due to constant wars of the Byzantine Empire.
The Senate must approve of most of the presidential actions. The Senate could reject many presidential actions too