Plessy v. Ferguson set forth the doctrine of "separate but equal" which enabled institutionalized segregation as long as things were "equal"
However, the Court did not define what equal really meant.
So, you might see a bathroom for African-Americans that was a hole in the ground while the whites only bathroom was pristine and modern.
The main impact that Andrew Jackson have on the geography of the southern states is that he added territory to Florida, Georgia, and Alabama.
Native American tribes, including the Omaha, Oto, Missouri, Pawnee, Arapaho and Cheyenne, all ceded (gave up) land in Nebraska to the U.S. government. In all, there were 18 separate treaties between 1825 and 1892 in Nebraska alone. These treaties were a part of a much larger pattern of land transfers that allowed an explosion of European settlement. By 1850, the tribes had seen more people moving through along the Platte River. The Homestead Act, which gave free land to settlers, meant that large numbers of immigrants were now going to stay in the area. In this section, there are two major stories about Native Americans during the settlement period. First, there is the story of how native people met the challenges of living on this plains landscape. And second, there is the story of conflict as more and more people tried to live on the same land.
The Atlantic Slave Trade, hope this helps