Why was there a division in Europe at the end of world war 2?

The division in Europe at the end of World War II was primarily due to the ideological conflict between the Soviet Union and Western Allies, particularly the United States and Western European nations. As the war concluded, the USSR sought to expand its influence by establishing communist governments in Eastern Europe, while the West aimed to promote democracy and capitalism. This ideological clash led to the Iron Curtain's emergence, symbolizing the division between the capitalist West and the communist East, ultimately resulting in the Cold War. The division was solidified by various political, military, and economic factors, including the establishment of NATO and the Warsaw Pact.