The document provides background information on key events and turning points of World War II, including:
1) The causes of the war including German and Japanese acts of aggression in the 1930s that the League of Nations failed to stop.
2) Major Allied and Axis campaigns and battles during the war such as the invasions of Poland, France, and the Soviet Union, as well as key Allied victories at Stalingrad, North Africa, and Normandy on D-Day.
3) The major Allied and Axis powers and their leaders, as well as conferences that planned strategy like the Yalta Conference.
4) Key turning points that led to Allied victory including Midway, Normandy,