The process of becoming a citizen of the United States is called O A. immigration.
O B. naturalization.
C. eminent domain.
O D. legalization.

A foreign citizen or national can become a U.S. citizen through a process called naturalization.

Explanation:

The privilege of citizenship requires allegiance to the United States. In return, a citizen is entitled to its protection.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.