The Cold War has had a colossal impact on global politics, history homework help

The Cold War has had a colossal impact on global politics and the power scenario in the International Community, arguably more so than any other event or phenomenon in the 20th Century. The bi-polar power distribution that came about after World War II and continued until the end of the Cold War involved every region of the world. Identify the major actors and events that had an impact on this global power struggle. Be sure to explain in detail the major contributions of each American president, as well as any leaders of the Soviet Union mentioned in this course