Internment Camps: During World War II, these were established by President Roosevelt through an executive order which forced over 120,000 Japanese descendants living on West Coast into isolated camps.
Treaty of Kanagawa: An 1854 agreement between the United States of America and the government of Japan, which opened the ports of Shimoda and Hakodate to American trade and allowed the establishment of a U.S. consulate in Japan.
Pearl Harbor: A surprise military strike by the Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Hawaii on Sunday morning, December 7, 1941. This led to America's entry into World War II.