Which term describes americans who were opposed to immigrants?

Nativists is the correct term to describe Americas who opposed immigration.

Explanation:

Nativism is a nationalistic fundamental ideology that says that a certain country's wealth and goods have to be distributed only or the natives. It is a protective retrograde ideology that goes against multiculturalism and diversity. It is very often fundamental in birthrights and encourages people to perform serialism and indirect discrimination. It is not only practiced in the united states and is based on the fear of being displaced by other groups of the population.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.

4 copper and gold, the california gold rush is why im pretty sure.