4
votes
1answer
381 views

Was the Soviet invasion of Afghanistan one of the major reasons that led to the fall of Soviet Union?

Was the Soviet invasion of Afghanistan one of the major reasons that led to the fall of Soviet Union? That is what the world history teacher told me. Please show your sources.
7
votes
4answers
527 views

Was Russo-Polish of 1919-1920 a war of independence?

What evidence is there to call the 1919-1920 conflict between Poland and the Soviet Union a "war of independence"? As for a definition of independence, I would say it is a full political, legal, and ...