In the first half of the 1800s, the arrival of large numbers of immigrants affect economic conditions in US cities because there were fewer jobs available.
Answer: Option B
Step-by-step explanation:
During the end of the 1800, a large number of people from all parts of the world decided to leave their home land and shift to the United States which had adverse effects on this country.
This led to the deficiency and reduction in the availability of land and jobs available and also led to the failure of crops. There also came a situation of famine in that country.