Respuesta :
The best and most correct answer among the choices provided by the question is the third choice. The 1862 Homestead Act is the best example of organized nativism. I hope my answer has come to your help. God bless and have a nice day ahead!
The correct answer is the Know-Nothing Party.
The Know-Nothing Party was a political party formed during the middle of the 19th century. This group was based on nativist sentiment. Nativist were individuals who were anti-immigration. Nativists felt that immigrants were bad, as they would take jobs from American citizens and would try to change American culture. This is why they organized themselves into a political party to take action against immigrants.