What is one factor that motivated Japan's imperialism before World War II?

AJapan lacked many important natural resources.
BJapan's neighbors were ruled by anti-Japanese dictatorships.
CJapan felt threatened by China's growing empire.
DJapan's morale was low after the Treaty of Versailles

Verified Answer :

Neuron

One factor which motivated Japan's imperialism before World War II was that they lacked many important natural resources - a, and wanted to gain therse by conquering other nations - which they partially succeeded but eventually also lost.

(APEX) Japan lacked many important natural resources.