What was one impact of westward expansion in the united states during the mid-nineteenth century?
a. stronger ties with british canada
b. a drastic decline in the american indian population
c. the murder of joseph smith
d. the spread of american indian culture and religion

Hey, There! I believe the correct answer for this would be "B. a drastic decline in the American Indian population" during the westward expansion a number of american Indians were pushed of their land and violently oppressed. Many died from diseases and battles to protect their land, but mainly from disease.

Idon’t know who knows but i know who does not know me