Under the terms of the Adams Onís Treaty of 1819, the United States acquired which of the following? Choose one correct answer.

1) Florida

2) Louisiana

3) Missouri

4) West Virginia

1) Florida

Under the terms of the Adams-Onís Treaty of 1819, the United States acquired Florida. Therefore, the correct answer is 1) Florida.

To determine the correct answer, we need to review the terms of the Adams-Onís Treaty of 1819. The Adams-Onís Treaty, also known as the Transcontinental Treaty, was an agreement between the United States and Spain. It was named after the American Secretary of State at the time, John Quincy Adams, and the Spanish foreign minister, Luis de Onís.

Under this treaty, the United States acquired the territory of Florida from Spain. Therefore, the correct answer is 1) Florida.