Which of these best explains why the united states did not join the league of nations?

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.