Which is not an example of cultural diffusion in the United States

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.

Which significant event in texas history occurred in 1876?

Brainliesttt asap!me : describe the responses to terrorism in the united states.