Answer:
They wanted to settle boundary issues from the Mississippi River to the Pacific Ocean.
Step-by-step explanation:
The Adams-Onís Treaty of 1819 settled the boundary disputes between Spain and the U.S. The U.S. promised not to make a claim on Texas. Spain ceded Florida to the U.S., and the two countries agreed upon a border. Spain also gave up claims to the Oregon Territory.
Hope this helps
:)