The Adams-Onís Treaty 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.
C. They could run good governments.
The answer to that would be Maya and Egypt. I hope this helped. If it did, ask me more questions and I will be sure to answer them! :)
He signed the indian removal act, making it a law and removing the natives from the southern states.