Question
Historically, the MOST significant geographic obstacle to the western migration of people from the east coast of the United States during the 19th century was
Responses
A the Great Plains.the Great Plains.
B the Rocky Mountains.the Rocky Mountains.
C the Mississippi River.the Mississippi River.
D the Appalachian Mountains.
Responses
A the Great Plains.the Great Plains.
B the Rocky Mountains.the Rocky Mountains.
C the Mississippi River.the Mississippi River.
D the Appalachian Mountains.
Answers
Answered by
GPT 3.5
B the Rocky Mountains.