WWI and the Russian Revolution

Question 1

This drug was the center of a war between China and GB, and was used as a way of opening trade to the west.

Answer 1

Opium

Question 2

Type of warfare used by Germany in WWI, pulled US into war.

Answer 2

unrestricted submarine warfare

Question 3

economic system promotes government ownership of all resources, and provides for the people based on need

Answer 3

Communism