What treaty gave florida to the united states?

The Adams–Onís Treaty

Explanation:

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.

entering that problem on the tube you may come up with an answer

must repent and believe in god.

or the book

journey across time - chapter 10 "the rise of christianity"