Which of the following most caused the cold war?

Question

A.) Different views on communism and democracy.***
B.) Different views on the use of atomic bombs.
C.) the division of Germany, Austria, and Berlin into zones of occupation.
D.) The creation of the Warsaw Pact and the North Atlantic Treaty Organisation.

I'm having a hard time deciding between A or C. The textbook seems to back up both answers, but it backs A up more than it does C.

Answer 1

A... is correct

Answer 2

Thank you so much, @Ms.Carson!