When Germany invaded Poland in September 1939, Britain and France declared war and hoped to end Nazi aggression. But within two years, Germany had attacked and occupied Denmark, Norway, the Netherlands, Belgium, France, and Yugoslavia and begun its onslaught against the Soviet Union. Japan's dramatic attack on Pearl Harbor in December 1941 brought the U.S. into the war, making it a worldwide conflict. What led the Japanese to attack Pearl Harbor? Could Hitler's dreams of expansion be stopped? Germany and Japan Attack examines the Axis nations' quest for an empire and looks and how close they came to succeeding.