What role did the division of germany play in the cold war?

The Cold War was a function of the United States and Soviet Union, with their conflicting ideologies, coming into contact with each other all over the world.  The era can be defined as from about 1945 to 1989.  Germany divided simply because the Soviet Union invaded from the East, and the other Allied countries invaded from the West during the conclusion of the Second World War.  Ironically, the Allied forces could have continued eastward, but...

The Cold War was a function of the United States and Soviet Union, with their conflicting ideologies, coming into contact with each other all over the world.  The era can be defined as from about 1945 to 1989.  Germany divided simply because the Soviet Union invaded from the East, and the other Allied countries invaded from the West during the conclusion of the Second World War.  Ironically, the Allied forces could have continued eastward, but were halted; the meeting of both armies at the Elbe River in April 1945 split Germany, was the end of the Nazi regime, and was the beginning of a half century of posturing and international intrigues between the two "superpowers."

tearing down the berlin wall.

the answer is option a.