"Why were early Georgia cities located on the Fall Line?"

It separated Georgia’s costal plain from its Piedmont region, the Piedmont land was higher so the rivers that began in the Piedmont regions gathered speed as they went through the fall line and into the costal plain

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

that would be the steamboat because none of the other things are forms of transportation