Two benefits of the Transcontinental Railroad System, was that it provided jobs across the nation, for people, and that it sparked markets across the nation, also. I hope that I have helped and not hindered you. If this has helped, can you please consider marking this answer as the brainliest? I appreciate it!!!
This was not my answer but someone else's. But here it is.
Answer:
From 1817-1818, the United States Army invaded Spanish Florida and fought against the Seminole and their African American allies. Collectively, these battles came to be known as the First Seminole War. Americans reacted to these confrontations by sending Andrew Jackson to Florida with an army of about 3,000 men.
Explanation:
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Yeah you on your own with this one