On Nov. 19, 1919, the Senate rejected the Treaty of Versailles based primarily on objections to the League of Nations. The U.S. would never ratify the treaty or join the League of Nations.
Considering this, why did US didn't join the League of Nations?
Although the League of Nations was much of the work of President Woodrow Wilson America never joined the League of Nations. This was for several reasons, firstly America had suffered casualties in the war, and many people in the USA wanted to keep America out of European affairs. This policy was called isolationism.
Why did the Americans not want to be in the league of nations?
Source E. Woodrow Wilson confidently expected the USA to join the League of Nations. But many Americans hated the idea. Many had been against US involvement in the war, and they certainly did not want the USA to get entangled in European affairs after 1919.
Why did US refuse to join the League of Nations?
The United States refused to join the League of Nations because, according to a group of U.S. Senators, the League infringed on the sovereignty of the United States. Wilson refused to compromise with the moderates, and the Treaty with the League of Nations included was defeated in the Senate.