What is meant by the basic principle of popular sovereignty?

A. The government is set up as a constitutional republic
B. The people have the right to alter their Government
C. Congress has the right to regulate trade
D. The president has the right to veto any bill that Congress has passed

B. The people have the right to alter their Government

The correct answer is B. The basic principle of popular sovereignty means that the people have the right to alter or change their government. It emphasizes that ultimate political power resides with the people, who can choose their representatives and participate in the decision-making process. This principle is closely linked to democracy, as it recognizes the importance of citizen participation in shaping the policies and laws of a nation.