Answer :

The communist government in East Berlin built the Berlin Wall for several reasons:

1. Prevent defection: One of the main reasons for building the Berlin Wall was to stop the mass exodus of East Germans fleeing to West Berlin, seeking freedom and better opportunities. By constructing the wall, the communist government aimed to halt this emigration and maintain control over its citizens.

2. Ideological divide: The wall symbolized the ideological divide between the communist East and the capitalist West. It served as a physical barrier to prevent interaction between the two sides and reinforce the communist regime's authority.

3. Political strategy: Building the wall was a strategic move by the communist government to consolidate power and prevent the influence of Western ideals from seeping into East Berlin. It was a means of asserting control and demonstrating the strength of the communist regime.

4. International relations: The construction of the Berlin Wall also had implications for international relations, particularly during the Cold War. It heightened tensions between the East and the West, with the wall becoming a potent symbol of the divided world during that era.

Overall, the Berlin Wall was a significant political, ideological, and physical barrier erected by the communist government in East Berlin to maintain control, prevent defection, and assert its authority over its citizens in the context of the Cold War division.