(A) None of America’s close allies in World War I, such as France, Russia, or Great Britain, joined the league.
(B) ** After World War I many Americans were wary of becoming too entangled in European affairs and favored a more “isolationist” approach.
(C) Americans supported joining the League of Nations because is was proposed by President Woodrow Wilson, but the organization itself never officially formed.
(D) The League of Nations allowed any country to declare war on another without approval, and the U.S. government wanted to join a governing body with more global power and influence.
EXPLANATIONS BELOW
Concept note-1: -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: -Some members of Congress opposed membership in the League out of concern that it would draw the United States into European conflicts, although ultimately the collective security clause sank the possibility of U.S. participation.
Concept note-3: -Which of these BEST explains why the United States did NOT join the League of Nations? The United States did not join the League of Nations in part because after World War I many Americans were wary of becoming too entangled in European affairs and favored a more “isolationist” approach.