What are the causes of cold war and its emergence?
The major cause for the Cold War were Ideological difference between the two super blocs viz. USA - supporting capitalism and USSR supporting Communism
Cold war was a war of threats, politics between democratic west and communist east. It was caused by the end of WWII with the emergence of two super powers America and the USSR, and their opposing ideologies. It was called a cold war because there were no occasions of direct armed conflict between the super powers.
The Cold War had many causes, the most important of which was the fear on the part of both sides that causing a "hot" war might lead to the destruction of everyone involved. Other causes include exhaustion from World War II and a commitment to working indirectly, not directly, to advance national causes and overcome enemies.