During the 1800s, nativists promoted the idea that immigrants contributed to unemployment by
a. taking jobs back to their native countries.
b. blocking american workers from applying for jobs.
c. competing for jobs that they believed should go to people born in america.
d. forcing or intimidating employers into hiring them.

The answer is the letter C.

During the 1800s, nativists promoted the idea that immigrants contributed to unemployment by competing for jobs that they believed should go to people born in America.
Since the company's / store owners can pay the immigrants at lower rate, they favor to hire the immigrants rather thatn the native

hope this helps