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The first example is the Japanese invasion of Manchuria. The League of Nations disapproved but had no means to stop the invasion. Mussolini then invaded Ethiopia in 1935, and the League of Nations was unable to take action against him. Finally, in 1936, Hitler began to remilitarize Germany, and there was no reaction from the League of Nations.
Japan, Germany and Italy
Britain and France wanted Mussolini as an ally against Hitler the league of nations failed to protect their countries.
Italy's successful invasion of Ethiopia demonstrated the weakness of the League of Nations, which had no power to prevent war, despite its noble ideals.
nothing
They condemned Japan who simply quit the League in response; they took no direct military intervention
Stroke
Other nations began to test its power and Germany also withrdrew
united state join the league of nation with the other countries example ussr
no
Woodrow Wilson proposed a League of Nations at the Paris Peace Conference after World War One, but the United States never ended up joining it.