The U.S.A.
The United States did not join the League of Nations after World War I.
One of the Allied countries who did not join the League of Nations was the United States. Hope this helps, but this may not be the complete answer!
Germany joined the League of Nations in 1926...
The United States
The United States of America chose to not join the league of nations.
After a vote, the American public refused to join
The United States did not join the League of Nations after World War I.
The United States
united state join the league of nation with the other countries example ussr
Although the League of Nations was proposed by US President Woodrow Wilson, the United States of America refused to join.
Allied powers* because they were attacked by Japan.
America.