Why did nativist groups develop during the gilded age

answer:

i think its bc nativists objected primarily to Roman Catholics because of their loyalty to the Pope and because of their rejection of republicanism. After subsiding during the Civil War, nativist sentiment was revived in the Gilded Age

Explanation: im learning the same stuff XD

i think the answer is the one about environmental and social health.

hope this

answer; taking up arms to defend the nation;