Answer:
The Jay's Treaty, Monroe Doctrine, and Adams-Onis Treaty forced the British to leave the Eastern US (and pretty much all of the America's) and they 'forced' Spain out of Florida.
Explanation:
Well in the 1850's was a significant time where slavery occurs. As you probably know slavery was terrible on so many levels. Becuase of the different opinions on slavery their political values changed., Some values thought that slavery was okay while the other fought against it saying that slavery should end. Different sections such as Indiana and Illinois has strong opinions to keep slavery including the south when the rest of America did not feel so strongly.
D. Native Americans
Holped this helped!
Um not sure but the answer I would give u would prolly b wrong
