Why did the civil war happen? what was the real, underlying cause?

When early settlers began to move north, they moved north of the 49th parallel. puget sound. seattle. the columbia river.

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.

Why were colonial assemblies created and what did they do