In 1931, which nation expanded its territories into Manchuria, leading to war with China and the violent death of over 100,000 people in the Nanking Massacre?
It was "Japan" that expanded its territories into Manchuria, leading to war with China and the violent death of over 100,000 people in the NankingMassacre, due to the fact that Japan is a small island and needed more territory and natural resources.