Which type of primary is being described below?

voters declare their party allegiance and request ballots for their own party.
independents are excluded.
most states use this primary system.

closed primary
open primary
wide-open primary

The correct answer is "Closed Primary". A Closed Primary is a type of direct primary limited to party members that had been registered prior to the elections. The voters must declared their party affiliation before voting, which helps to avoid that members of other parties or independents affect the election. These characteristics match which the ones stated in the question, including the fact that most states use this primary system.

well 1 they have there leader that controls them

answer; when the government fails to protect the fundamental rights of the people;