In the first half of the 1800s, Americans living in big cities often blamed immigrants for

moving into all the good housing,

earning too much money.

taking available jobs.

taking available land.

In the first half of the 1800s, Americans living in big cities often blamed immigrants for taking available jobs.

taking available jobs.

Explanation:

Immigrants in the 1800's came to the United States because they saw a better economic opportunity and provided a better place for their families to grow and to be educated than in other parts of the world. The Americans that lived in big cities often blamed those immigrants coming into the States for taking available jobs for themselves instead of being for the American population.