Which of the following exists in a one - party state?

A.

Only the workers party is allowed to exist

B.

Only the students' party is allowed to exist

C.

Elections to the legislature are held at the party's conference

D.

The ruling party is the only legal party

Correct answer is D

A one-party state, single-party state, one-party system, or single-party system is a type of state in which one political party has the right to form the government, usually based on the existing constitution.