Kansas-Nebraska Act bill passed by Congress represented an attempt to ensure voting rights for freed slaves in the South.
The meaning of voting rights is rights of participation in especially public elections. In U.S. history and politics, a set of legal and constitutional protections designed to ensure the opportunity to vote in local, state, and federal elections for the vast majority of adult citizens. The right to vote is an essential element of democracy in any country, and the proportion of adult citizens who exercise that right in free, fair, and frequent elections is one measure of how democratic a country is.
Therefore, (D) option is the correct answer.
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