What is a person’s explanation for a past event known as?

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.

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?