"which group discouraged immigrants from joining american culture"

The correct answer is the nativist groups. The nativist groups are people who our set out in preventing immigration. They have a movement by which is targeted towards other groups by which it changes the way of the established American culture.

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need

d) iowa i believe is the answer