Respuesta :
A) the increase in immigration caused people to want to protect their own native interests over the immigrants
Answer:
A. An increase in immigration
Explanation:
Nativism came to the United States with the foundation of the Nativist political parties that seeked the benefit of the descendants of the original immigrants and founders of the 13 colonies, as opposed to the benefit of those who came after in the great wave of immigration of the 19th century.