Edited sentence: According to Dr.According toMao: The Unknown Story, "Mao Tse-tung, who for decades held absolute power over the lives of one-quarter of the world's population, was responsible for well over 70 million deaths in peacetime, more than any other twentieth century leader.After Estoniawas incorporated into the Soviet Union, Estonia was subjected to Communist state terror which later evolved to genocide.Belarus, after it became the Belarusian Soviet Socialist Republic (BSSR), was subjected to communist genocidal repression by Joseph Stalin in the late 1920s.Communist genocide refers to a form of mass killings  carried out by communist regimes across the world.Courtois in The Black Book of Communism compared Communism and Nazism as slightly different totalitarian systems.During the Russian Civil War the Bolsheviks engaged in a campaign of genocide against theDon Cossacks.From the very beginning, communism forged a new order based on genocide.Harry Wu writes "The term ‘genocide’ was first coined in the 1940s to describe the horrors of Nazi rule in occupied Europe.He claims that Communist regimes have killed "approximately 100 million people in contrast to the approximately 25 million victims of Nazis".In China, it is the Laogai which means ‘reform through labor.In Nazi Germany, the machine of oppression was the concentration camp; in the Soviet Union, theGulag.Kors, founder of Foundation for Individual Rights in Education (FIRE), "No other system has caused as much death as communism has".The Holodomor is recognized as genocide by Australia,Argentina, Georgia, Estonia, Italy, Canada, Lithuania,Poland, U.The Khmer Rougeregime in Cambodia, led by Pol Pot, murdered over a million Cambodians, out of a total population of 8 million.The most reliable estimates indicate that out of a population of three million, between 300,000 and 500,000 were killed or deported in 1919–20.’" Former Vietnamese judge Nguyen Cao Quyen who was a victim of communist political repression after communist victory in Vietnam War describes communist genocide as "genocide of entire classes"