The correct option is C). It helps ensure that the people remain the source of all government authority.
<h3>What is the principle of separation and popular sovereignty?</h3>
Principle of power of separation refers to the division of the government responsibilities into different branches in order to limit the authority of the branch and protecting individual rights.
Popularity sovereignty means the authority of the government is created by the consent of the people, through their the elected representatives. In this, people remain the source of all government authority.
Both the principle of separation and popular sovereignty, gives the authority to the government only by the permission of the people.
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