What iconic structure, built in 1961, served as a prominent physical and ideological symbol of the division between East and West during the Cold War?

💡 Explanation:

The Berlin Wall was constructed by the German Democratic Republic (East Germany) in 1961 to prevent large-scale defections from East to West. It became a powerful symbol of the Iron Curtain and the geopolitical division of Europe during the Cold War until its fall in 1989.