Andrew Jackson's vision for the United States was essentially what we would call a populist vision today. Jackson believed strongly in the idea of democracy and of rule by and for the "common man."
African Americans help streagthen the Republican Party in the south in a way that Republican party with their support of reforms in teh SOuth made the party the most approachable for African AMericans tehrfore African AMericans in teh south become their basic electorate
Yes, the Germans considered the Jewish people vermin and kept them isolated to ghettos before they were sent to concentration camps and gassed with pesticides.
Decline of rural living, but sparked tremendous amounts of economic growth eventually. Early urbanization was filthy though, no proper sewage, overcrowded cities. So many people surged into these urban areas at one time, often not finding enough jobs for everyone.
