The flood of refugees to the West stopped : the wall kept East Berliners "at home". East German soldiers obeyed orders to "shoot to kill" anyone trying to cross into West Berlin. ... The Western powers considered it as a prison wall. Berlin remained a source of tension between the two blocks till the end of the Cold War.
Explanation:
Berlin crisis of 1961, Cold War conflict between the Soviet Union and the United States concerning the status of the divided German city of Berlin. It culminated in the construction of the Berlin Wall in August 1961.
