Slaves worked for free and had to do all hard labor that they were told to do.
The renaissance was the "rebirth" era of Europe that followed the middle ages. It was a period in which the arts, sciences, and politics flourished. It began in the 14th century in Italy. Notable figures during this time period include Leonardo Da Vinci, the Medici Family, Michelangelo, and Machiavelli. It quickly spread all throughout Europe.
People were moving to New cities
Petersburg was the only way the South could get reinforcements into Richmond since the rest of the City was surrounded by Union troops.