The best definition of a "citizen" is a person who O gives allegiance to a government
pays money to gain rights
O moves to a new country
works many years for a nation

gives allegiance to a government

pays money to gain rights

Explanation:

The answer is gives allegiance to a government

pays money to gain rights.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.