In the first half of the 1800s, how did the arrival of large numbers of immigrants affect economic conditions in US cities?

A. The number of available jobs rose.

B. There were fewer jobs available

C. Everyone's wages decreased

D. Cites had more money to spend.

B. There were fewer jobs available

Explanation:

This is correct because as more people came into the country, more empty job positions were being filled. The people coming into a country would accept many of the lower paying and less experience-required jobs.