He claimed his critics created false impressions about the United States’ obligations to other countries in the league.
Answer:
In 1820, amid growing sectional tensions over the issue of slavery, the U.S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state, while banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel
The answer to this question is the Merit System. I know this because I'm doing the same test right now. :) hope I helped.
It was FDR who changed the numerical strength of the Supreme Court since he wanted to "pack the court" so they would respond well to New Deal programs.