Answer:
D) failure of the League of Nations
Explanation:
The Japanese invasion of Manchuria began on 18 September 1931, when the Kwantung Army of the Empire of Japan invaded Manchuria.
Fascist Italy under Benito Mussolini was invaded by Ethiopia on Oct. 3, 1935.
The Japanese invasion of Manchuria in 1931, Mussolini’s attack on Ethiopia in 1935, and Hitler’s rebuilding of the German military in 1935 demonstrate the failure of the League of Nations.