The correct answer is C. People vote to elect members of Congress to represent them
Step-by-step explanation:
The principle of sovereignty in the Constitution refers to the power of people over government, this can be explained as in the U.S. and many other countries were the principle of popular sovereignty exist it is the people the ones that create the government as they elect the representants of it, which means these representatives are in the government under the consent of people and therefore their actions should be aimed at improving the lives of people and nation somehow, this principle also prevents oppressive governments to emerge such as dictatorships in which the government takes oppressive decision without considering people's opinions. Considering this, a good example of this principle is "People vote to elect members of Congress to represent them" because it shows that people have the power to choose its government that is what this principle is about.