Why so many corpses?

Marxist countries and movements have been most successful in producing corpses.

According to The Black Book of Communism published by Harvard University in 1999 the estimated body count was:

USSR: 20 million

China: 65 million

Vietnam: 1 million

North Korea: 2 million

Cambodia: 2 million

Eastern Europe: 1 million

Latin America: 150,000

Africa: 1.7 million

Afghanistan: 1.5 million

The International Communist movement and Communist parties not in power: about 10,000