What Was the Position of the Group of Americans Who

What was the position of the group of Americans who took the name "nativists" in the 1840s?

A) Only Native Americans should be working in factories, not those of European descent.
B) Immigration should be stopped, especially of Irish people.
C) Immigration should be restricted only to Irish people and those from Europe.
D) Only those who were at least third-generation Americans should hold public office.