Question

Which of the following was the first natural barrier to expansion of the frontier for American colonists?
the Mississippi River
the Pacific Ocean
the Appalachian Mountains
the Rocky Mountains

Answer 1

b

Answer 2

Incorrect, try again.

Answer 3

ok

Answer 4

umm

Answer 5

c

Answer 6

C is right. :)

Answer 7

yea

Answer 8

Thank you for the medal.

Answer 9

np

Answer 10

last one ima postit