I'm pretty sure its D. Hope this helps :)
Answer:
In 1819, after years of negotiations, Secretary of State John Quincy Adams achieved a diplomatic coup with the signing of the Florida Purchase Treaty, which officially put Florida into U.S. hands at no cost beyond the U.S. assumption of some $5 million of claims by U.S. citizens against Spain.
so your answer is the united states acquired florida during the war of 1812
Answer:Expand Westward to the Pacific Ocean
Explanation: The whole purpose of Manifest Destiny was to expand west and colonize the rest of the land
Real GDP per capita for the United States is calculated by dividing real GDP by the number of people living in the country.