Anaturalized citizen received citizenship rights by first completing
a. an oath of allegiance
b. a naturalization application known as the form n-400
c. a court appearance in front of a judge
d. a basic english and united states history exam

b. a naturalization application known as the Form N-400.

Although all of these are steps in the naturalization process, the first one that every applicant needs to undertake is the filling of a naturalization application known as the Form N-400. This indicates that the person is interested in applying for naturalization. Naturalization is the process by which a foreign citizen comes to be considered a citizen of the country where he resides, with all the rights and duties that this grants.

d

explanation:

i think that this is the best answer, but im sorry if this is wrong