Which of the following describes a cause of the cold war? a.) soviets built the berlin wall. b.) westerners feared soviet domination. c.) the soviet union invaded south korea. d.) the united states tried to overthrow the soviet government.

A is correct

Explanation: After the end of the WW II there was a Conference in Jalta. In this conference European continent was divided in so-called "occupation zones". Berlin was divided as well - there were "western zones" (British, American and French) and a "Soviet zone" (Eastern Berlin). At that time there were no walls but the tension between ex-allies was increasing. After that two German republics were founded (1949). The growing tension led to blockage of the western Berlin: army, police and other military troops occupied the frontier dividing western and eastern Berlin in 1961. That was the materialization of so-called "iron curtain".

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