Answer to your question would be skilled workers
Answer:
Ulysses S Grant was the Union’s general, and Robert E Lee was the Confederacy’s general.
Explanation:
First of all the the U.S. wasn't part of the League of Nations. In fact they refused to lol XD.
But in short since the U.S. wasn't a part of the Treaty of Versailles, the Senate objected the idea of approving the treaty.
hope this helps! :D
