Answer:
C. expanding its power over China
Step-by-step explanation:
Japan continued its military aggression in the 1930s because it had failed to achieve the goal of "expanding its power over China" during World War I.
Beginning fr 1931, Japan invaded Chinese territory, particularly Manchuria and Jehol. The primary purpose of this invasion is to acquires and control territories that have resources—especially considering Great Depression occurring during that period. The Japanese government needed the resources such as iron, rubber, and oil to sustain their robust economic growth.