https://2001-2009.state.gov/r/pa/ho/time/wwi/107293.htm "Purchase of the United States Virgin Islands, 1917" "Purchase of the United States Virgin Islands, 1917" "Purchase of the United States Virgin Islands, 1917" "Purchase of the United States Virgin Islands, 1917" https://2001-2009.state.gov/r/pa/ho/time/wwi/107293.htm Purchase of the United States Virgin Islands, 1917 Purchase of the United States Virgin Islands, 1917