Why was the united states more powerful than the league of nations apex?

the UN had the power to take much stronger action to prevent conflict. The failure of the League was highlighted in the Japanese invasion of Manchuria, the Italian invasion of Abyssinia and the German re-occupation of the Rhineland, none of which were prevented by the League.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: