The Senate refused to ratify the treaty of Versailles primarily because they objected to the League of Nations. If the US joined the League, then they would be obligated to fight in future wars and the Senate didn't want that.
1291 is the answer to number one, ill get the rest in the chat, I'm out of time
Answer:
Embargo Act enforced
Explanation:
he was in office during each event
They have a command economy because the government regulates each aspect of the economy.