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. In return, the United States recognized Spanish sovereignty over Texas.

Detailed explanation-2: -After months of negotiations, the Adams-Onís Treaty was signed on February 22, 1819. In the treaty Spain gave East and West Florida to the United States, and the United States agreed to assume claims by citizens of the United States against Spain.

Detailed explanation-3: -Ultimately, Spain agreed to the terms of the Adams-Onis Treaty (also called the Transcontinental Treaty): The United States officially received both West Florida and East Florida. Spain gave up all claims to the Oregon Territory (located in the Pacific Northwest).

Detailed explanation-4: -What is the Adams-Onis Treaty? It was a treaty between the US and Spain in 1819 that ceded Florida to the US and defined the boundary between the US and Spanish Mexico. It settled a standing border dispute between the two countries and was considered a triumph of American diplomacy.