What prompted the East German government to build the Berlin Wall?

(1 point)
Responses

West Germans were entering East Germany to take advantage of free communist services.
West Germans were entering East Germany to take advantage of free communist services.

They were trying to prevent the American military from gaining access to its military installations.
They were trying to prevent the American military from gaining access to its military installations.

East Germans were moving to West Berlin in order to live in a democracy.
East Germans were moving to West Berlin in order to live in a democracy.

The wall was a security measure to protect citizens in East Germany from crime in West Germany.
The wall was a security measure to protect citizens in East Germany from crime in West Germany.

West Germans were entering East Germany to take advantage of free communist services.