What was the main purpose of the Berlin Wall?

برلن دیوار کا بنیادی مقصد کیا تھا؟

To promote tourism in Berlin

To unite East and West Berlin

To prevent East Germans from fleeing to West Berlin

None of these

The Berlin Wall was built in 1961 by East Germany to stop mass defections to the West.

It became a symbol of the Cold War division between communist East and capitalist West.