The concept of voting rights is based on the bill of rights. popular sovereignty. personal responsibility. the power of government.

Answer; 
-Popular sovereignty

-The concept of voting rights is based on popular sovereignty.  

Explanation; 
Popular sovereignty is government based on consent of the people.
Government established by free choice of the people is expected to serve the people, who have sovereignty, or supreme power. 
Popular sovereignty may be expressed in a democracy in a number of ways; People being involved directly or through their representatives in making the constitution; then constitution is passed by a majority vote; people are involved in proposing and ratifying amendments and then they indicate support of their government. 

The concept of voting rights is based on the idea of "popular sovereignty" which asserts that government is meant to serve the people, and should therefore be chosen by the people it governs.

The answer is b.african american abolitionists emphasized legal and social equality