Matching Pairs World War IIOnline version Match each column with its correct side depending on the question or answer. Good luck c: by ASTRID CELESTE GOMEZ ANGELES 1 The Allies 2 Hitler’s invasion of Poland in September 1939... 3 The Holocaust was... 4 Its main leaders were Adolf Hitler, Benito Mussolini and the Japanese Emperor Hirohito. 5 Germany had sunk a ship carrying American civilians. 6 The attack over Pearl Harbor... 7 8 caused USA to join the war. caused the beginning of world war II. Poland, France and Great Britain. China, the Soviet Union, and the United States of America later joined. the systematic persecution and murder of the Jews. The Axis Powers wait what?! This is not even an event of this moment.