Which of the following was a physical symbol of the split between the us and the soviet union during the cold war?

Berlin Wall

Explanation:

The Berlin Wall was built in 1961 to stop an exodus from the eastern, communist part of divided Germany to the more prosperous west. Between 1949 and 1961 more than 2.6 million East Germans, out of a total population of 17 million, had escaped.

The Cold War was a period of economic, political and military tension between the United States and Soviet Union from 1945 to 1991. ... This battle of ideologies resulted in increased national security, diplomatic tension and proxy wars between the two powerful nations.

First, Berlin was important because it was a constant point of contention between the communists and the West in the first two decades or so of the Cold War. ... Berlin was deep within the Soviet sector of Occupied Germany and, later, of communist East Germany.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.