. "Adams-Onis Treaty of 1819" . "Adams\u2013On\u00EDs border" . . . "ceded it to the United States" . . . . . . . "Spain ceded East Florida" . . "Florida from Spain" . "Adams-On\u00EDs Treaty" . "Florida Purchase" . . . . . . "ceded to the U.S." . . . . . . . . "Adams-Onis Treaty" . . . . "Adams\u2013On\u00EDs Treaty of 1819" . . . . . . ":Adams\u2013On\u00EDs Treaty" . "the border" . . . . . . . . . . "Spanish Commission" . "purchased Florida from Spain" . "annexation" . "ceded" . "Adams\u2013On\u00EDs Treaty ratified. Joined U.S." . "Adams\u2013On\u00EDs Treaty" . . . . "Treaty of Amity" . . "ceded Florida" . "Treaty with Spain (Acquisition of Florida)" . "Adams\u2013On\u00EDs" . "Florida became a U.S. territory in 1821" . "US Spanish Diplomatic Commission" . . . . . . "Adams\u2013On\u00EDs Treaty" . "purchase of Florida" . "annexation by the United States" . . . "Adam-Onis Treaty" . . "Spain ceded Florida" . "Adams-On\u00EDs Treaty of 1819" . . . . "it became a U.S. territory in 1821" . . "ceded to the United States" . . . "Treaty of Amity, Settlement, and Limits Between the United States of America and His Catholic Majesty" . "purchased" . . "Transcontinental Treaty" . "Treaty of Florida" . "1819 Treaty of Adams-On\u00EDs" . "Spain ceded Florida to the United States" . . . "Adams\u2013Onis Treaty of 1819" . . .