美國接管維京群島 (Virgin Islands) :1917年3月31日
維京群島上的甘蔗田曾是罪犯與奴隸工作的地方
出處: Delano, Jack, photographer. "Sugar Cane Country, The Virgin Islands." December 1941. America from the Great Depression to World War II: Photographs from the FSA and OWI, ca. 1935-1945, Library of Congress.