Joseph Stalin:

Joseph Stalin was the second leader of the Soviet Union. His real name was Iosif Vissarionovich Dzhugashvili. Born 1879 in Georgia, his mom sent him in a path to become priest, and he studied Russian Orthodox Christianity until he was nearly twenty. Stalin spent his first years after the revolution building his post as general secretary secretly into the most powerful one in the communist.He soon followed Vladimir Lenin's ideology, when Lenin die he become the Left wing of the organization.In 1939, Stalin made the Molotov-Ribbentrop Pact with Nazi Germany which divided Eastern Europe between the two powers. In 1941, however, Hitler broke the pact and invaded the Soviet Union later on in 1953 Stalin dies.

Harry Truman:

Harry truman was born in may 8, 1884. He was the 33rd President of the United States (1945–1953).
During World War I Truman served as an artillery officer, making him the only president to have seen combat in World War I.
In 1945 he wins the elections.
with the end of World War II and his decision to use nuclear weapons against Japan, the founding of the United Nations, the Marshall Plan to rebuild Europe, the Truman Doctrine to contain communism, cause the beginning of the Cold War.
Defense policy statements
On June 23, 1941, the day after Nazi Germany attacked the Soviet Union, Senator Truman declared: "If we see that Germany is winning we ought to help Russia and if Russia is winning we ought to help Germany, and that way let them kill as many as possible, although I don't want to see Hitler victorious under any circumstances”
Truman dies on December 26, 1972.