USA HISTORY

Detailed explanation-1: -Minister Onís and Secretary Adams reached an agreement whereby Spain ceded East Florida to the United States and renounced all claim to West Florida.

Detailed explanation-2: -Signed in 1819 by John Quincy Adams and Luis de Onís, the Adams-Onís Treaty between the United States and Spain gave Florida to the U.S. and established the Sabine River as the border between the U.S. and New Spain.

Detailed explanation-3: -American settlers moved in and began to resist Spanish control. After years of border arguments, Spain finally agreed to cede the Florida Territory to the U.S. in 1819 by signing the Adams-Onis Treaty, signed by Spanish minister Luis de Onis and U.S. Secretary of State John Quincy Adams.