Native Americans most likely built mounds for ceremonial and/or burial purposes. I know this because I am Native American. Good Luck! Hoped this helped.
Explanation: The Battle of Gettysburg was a turning point in the Civil War in that Lee's failure to take the war into the North showed the limitations of the Confederate cause and made it so that the war would be contained to and thus the damages would be felt exclusively in the South.
<span>Manifest Destiny is belief that the expansion of the US throughout the American continents was inevitable.</span>
