USA HISTORY

Detailed explanation-1: -Under the Onís-Adams Treaty of 1819 (also called the Transcontinental Treaty and ratified in 1821) the United States and Spain defined the western limits of the Louisiana Purchase and Spain surrendered its claims to the Pacific Northwest.

Detailed explanation-2: -The Adams–Onís Treaty (Spanish: Tratado de Adams-Onís) of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.

Detailed explanation-3: -The Adams-Onis Treaty of 1819 was a political agreement between the United States and Spain that gave the United States control over Florida.

Detailed explanation-4: -Spanish minister Do Luis de Onis and U.S. Secretary of State John Quincy Adams sign the Florida Purchase Treaty, in which Spain agrees to cede the remainder of its old province of Florida to the United States. Spanish colonization of the Florida peninsula began at St. Augustine in 1565.

Detailed explanation-5: -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.