Answer:
yes intro of democracy restored social stabability, living conditions before were worse for lower social classes, this caused unrest.
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The eternal Racism and the fact that there skin color may affect their chances to get anywhere in the community
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.