Why do you think merchants endured hardships from harsh weather difficult terrain and bandits to transport goods along the routes shown on the map

No idea what's shown on the map, but I'd say any merchant would endure rough conditions because profit. It's always profit.

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more