WORLD HISTORY

Detailed explanation-1: -Seeking raw materials to fuel its growing industries, Japan invaded the Chinese province of Manchuria in 1931.

Detailed explanation-2: -On September 18, 1931, an explosion destroyed a section of railway track near the city of Mukden. The Japanese, who owned the railway, blamed Chinese nationalists for the incident and used the opportunity to retaliate and invade Manchuria.

Detailed explanation-3: -The Russian Empire established control over the northern part of Manchuria in 1860 (Beijing Treaty); it built (1897-1902) the Chinese Eastern Railway to consolidate its control.