What area of the country was most affected by european immigration in the 1840s and 1850s?

The correct answer is North East.

The most affected area for immigration part in 1840s and 1850s was North East.

The important part of European immigration were consisted of settlers from Isles British which attracted religious freedom and economic opportunity.

The immigrants were mixture of indentured servant and well-to-do individual.

Most of the immigrants in this period were because of religious persecution, political conflict, and fleeing famine.

the answer is c my brotha. c.   formed an alliance with the soviet union.