The answer is Settlers in Nebraska vote on whether they wish to make slavery legal.
Popular sovereignty or the sovereignty of the people's rule is the principle that the authority of a state and its government is created and sustained by the consent of its people, through their elected representatives (Rule by the People), who are the source of all political power.
Because the people are making decisions among themselves as a government, C is the best answer.
A similar type of symbol cropped up independently in the Americas sometime around 350 A.D., when the Mayans began using a zero marker in their calendars. These early counting systems only saw the zero as a placeholder—not a number with its own unique value or properties
a direct democracy people go directly to meetings to speak. these are normally in small places and countries. in larger countries there are representative democracy (which the us has) people are elected who have the same views as the people and they represent the people. this is used in larger countries.