Pearl Harbor

What motivated the savage surprise attack on navel forces in pearl harbor by the Japanese?
1941 Bombing of pearl harbor brought united states into world war 2 against Japan and alliance with china. In 1940 Japan advanced into French Indochina and Dutch East Indies. To stop Japanese aggression the United States banned the sale of war materials to Japan, such as iron, steel, and oil for airplanes. This move angered the Japanese.
General Tojo ordered a surprise attack on the American fleet at pearl harbor, Hawaii. Early on December 7, 1941 Japanese airplanes damaged or destroyed 19 ships,…