Answer:
Option D. The following scenario best illustrates the principle of popular sovereignty: Members of Congress vote for laws that the majority of Americans support.
Step-by-step explanation:
The term popular sovereignty refers to a political doctrine that states that power is vested in the people and that those chosen to govern acts as trustees of that power, therefore they must exercise in conformity with the general will. Therefore the scenarios that best illustrates this concept would be the members of Congress, who are elected and chosen by the popular vote, voting for laws that the majority of Americans support, in representation of that power given to them in the elections.