America is a country that is about completely composed of immigrants
Immigrants have been oppressed for their labor, nonetheless, used as scapegoats for problems that begin in the country as of approach to amending the political, economic, and social institutions.
Anti-emigrationists feelings have risen in the country on these minority groups. An example of such explicit racial discrimination is on Mexican and Latino immigrants who make up about a third of the country's immigrants.
I think the third option would be a suitable answer.
A war between citizens of the same
country that takes place within the country is indeed known to be civil war.
The usual objective of one side is to be able to take control of the country or
a particular region in the state.