The Japanese expanded their territory on the mainland over the course of more than 20 years. Complete the timeline below to summarize the progress of Japanese expansion from 1914 to 1941.

A. What are natural resources? Why did the Japanese want access to additional natural resources? What does this indicate about Japanese political and economic goals in the 1930s?
B. Throughout the map, arrows are used to show the progress of the Japanese military as it invaded neighboring Asian countries. What does the direction of expansion suggest about Japan?
C. Why did the Japanese risk more serious consequences by invading Southeast Asia than they did by invading Manchuria and north China?