(A) The USA did not want to be in an alliance with other countries.
(B) ** The USA wanted to make their own decisions concerning foreign policy.
(C) The USA joined and led the organization.
(D) The USA held only a small role and most believe that is the reason for its failure.
EXPLANATIONS BELOW
Concept note-1: -Overview. The League of Nations was established at the end of World War I as an international peacekeeping organization. Although US President Woodrow Wilson was an enthusiastic proponent of the League, the United States did not officially join the League of Nations due to opposition from isolationists in Congress.
Concept note-2: -The Treaty of Versailles officially ended military actions against Germany in World War I and created the League of Nations, an international organization designed to preserve peace. President Woodrow Wilson, who led the U.S. delegation to the Paris Peace Conference in 1919, was a principal architect of the League.
Concept note-3: -The big victory of Republican Warren G. Harding in 1920 was widely viewed as a vote against American membership in the League of Nations. Woodrow Wilson attempted to change the world by promoting such principles as self-determination, disarmament, and the cooperation of nations to preserve the peace.