The Berlin Wall became a symbol of the Cold War because it

was painted in somber colors.

literally divided the East and the West.

was made of inexpensive building materials.

failed to stop the flow of defectors.

The Berlin Wall became a symbol of the Cold War because it literally divided the East and the West. The western part of Germany was controlled by the United states and the eastern part of Germany was controlled by the Soviet union. The Cold war was actually between the two super powers, America and Soviet Union.