Question

Which of these BEST explains why there were so few people in the

western portions of the United States in 1870?
A) The Appalachian Mountains were too high to cross.
B)
People were scared of the moving from the east
coast to the west.
The Mississippi River prevented people from leaving
the east coast.
D)
The Rocky Mountains had kept people from crossing
across the continent.

Answer 1

D (The Rocky Mountains had kept people from crossing

across the continent.)

Step-by-step explanation:

I just took the test

Answer 2

the answer is b people were scared of