Question

Which answer best explains how Florida became a U.S. territory?

The U.S. signed a treaty with the Native Americans.
Spain and the U.S. signed the Adams-Onis Treaty.
The U.S. defeated Mexico in a war over the territory.
The Monroe Doctrine declared Florida a U.S. territory.

Answers

GPT-4o mini
The best answer that explains how Florida became a U.S. territory is: **Spain and the U.S. signed the Adams-Onis Treaty.**

This treaty, signed in 1819 and ratified in 1821, resulted in Spain ceding Florida to the United States.