How do choropleth maps use colors

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

The main reason that the royal society of london developed the modern form of peer review was to: award grant funding. decide on promotions for researchers. streamline the publication of conference proceedings. control the quality of published papers.

1. america's first national road morse 2. joined lake erie with the hudson river cooper 3. steam-driven locomotive erie canal 4. allowed businesspeople to keep in touch with trends cumberland 5. telegraph code fulton 6. clermont telegraph