What was the fundamental tension that initiated WWII and the tense conflicts between nations worldwide?

C

"An interesting quote here."

The fundamental tension that initiated WWII was the campaigns of territorial expansion by revisionist powers. This was the impetus that created the alliances and established the war. The situations in A, C, and D occurred after this event. The economic distress caused by the Great Depression was the reason revisionist powers embarked on campaigns of expansion and the economic distress was not a direct cause that initiated WWII;thus C is the correct answer.

A) Japan's attacks on China in the 1930s and the conquest of Manchuria between 1931 and 1932
B) The Rape of Nanjing and the brutal attacks on Chinese civilians by the Japanese, who pursued the attacks to soften Chinese resistance
C) The campaigns of territorial expansion by revisionist powers and the subsequent conflict between the revisionist powers and the nations that adhered to the international system
D) The withdrawal of Germany from the League of Nations in 1933
E) The economic distress caused by the Great Depression