Answer:
this would e called the turbulant era
hope this helps
I’m not sure but I think the answer A!
It prevented the settlers from moving West of the Appalachian Mountains, hope this helps!!
The 3 most numerous ethnicities are Hispanics, African Americans, and Asian Americans of major U.S. ethnicities among states and within urban areas. Hispanics are clustered in the Southwest, African Americans in the Southeast and Asian Americans in the West.