Correct answer is 2.The British controlled most of the land along the Atlantic Ocean.
Explanation:
Option 1 is not correct as Spain didn't control many territories in that region, except Florida.
Option 2 is correct as Britain controlled 13 colonies, that were located on the shores of Atlantic ocean. This is actually a place where the rebellion against them started.
Option 3 is not correct as all European forces in the region had territorial preferences.
Option 4 is not correct as that area was under control of Spain.
Missouri Compromise, measure worked out in 1820 between the North and the South and passed by the U.S. Congress that allowed for admission of Missouri as the 24th state. It marked the beginning of the prolonged sectional conflict over the extension of slavery that led to the American Civil War.