What area of the country was the most affected by European immigration in the 1840's 1850's

Awest
Bmidwest
Cdeep south
Dnortheast

Verified Answer :

It was primarily the "northeast" that was the most affected by European immigration in the 1840's 1850's, since many immigrants came to work in the factories that were located in urban centers in this area.

Answer: Northeast is correct

Explanation: