Final answer:
Ponce de Leon explored Florida, Spain ceded Florida to the United States through the Adams-Onis Treaty, and Chesapeake Bay was not explored by Ponce de Leon.
Explanation:
Ponce de Leon explored Florida in the area of the future United States. He was a Spanish explorer searching for the legendary Fountain of Youth and landed in Florida in 1513.
In 1819, Spain ceded Florida to the United States through the Adams-Onis Treaty, setting the Sabine River as the eastern border of the Spanish Territory.
Chesapeake Bay was not the area explored by Ponce de Leon; instead, he focused on Florida.
Learn more about Ponce de Leon's exploration of Florida here:
https://brainly.com/question/38264652
