Might be c I’m not sure

Why were inventors essential or necessary for an industrial revolution to happen in america

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

What was the main argument of plessy in plessy v. ferguson