The Seminoles and Americans in Georgia staged raids against each other. Spain was unable to control the border.

In 1818 John C. Calhoun, now secretary of war, ordered U. S. troops under General Andrew Jackson to stop the Seminole raids. In the spring of 1818, Jackson entered Florida and seized St. Marks and Pensacola.

Spanish officials were furious with Jackson's actions. They also realized they could not hold Florida against the Americans. In 1819 they agreed to the Adams-Onís Treaty, in which they gave up control of Florida, or ceded (SEED • ed) it, to the United States. Two years later, the Spanish flag was lowered forever in Pensacola and St. Augustine.

TEXT ANSWER IN THERE

Why did Spain finally give up Florida to the United States?

Spain finally gave up Florida to the United States because Spanish officials were furious with Jackson's actions. They also realized they could not hold Florida against the Americans. In 1819 they agreed to the Adams-Onís Treaty, in which they gave up control of Florida, or ceded it, to the United States.

Explanation:

Spain and United States fought with each other for Florida. Many Americans settled in Florida. Spain was unable to control the border of Florida.

Seminole raid was started and led by John C. Calhoun and Andrew Jackson in both the country.  In 1818, U.S. troops were requested to stop the Seminole raids. Jackson entered Florida and seized St. Marks and Pensacola. Spanish realized that they could not hold Florida against the Americans.

So Spanish agreed to sign Adams-OnIs Treaty and give up the control of Florida to United States of America. The Spanish flag was lowered forever in Pensacola and St. Augustine after two years of giving up control over Florida.

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