How did the United States acquire the Louisiana Purchase? by buying it from France

by exchanging territory with Spain

by buying it from Great Britain

by fighting a war with Mexico

Map of British North America, showing labels Oregon Territory eighteen forty-six, Ceded by Great Britain eighteen eighteen, Ceded by Great Britain eighteen forty-two, Mexico Cession eighteen forty-eight, Louisiana Purchase eighteen hundred three, United States seventeen eighty-three, Godsden Purchase eighteen fifty-three, Texas Annexation eighteen forty-five, Ceded by Spain eighteen nineteen, Florida Cession eighteen nineteen, PACIFIC OCEAN, ATLANTIC OCEAN, and Gulf of Mexico. A red line connects two cities named Sacramento and Omaha.