Popular sovereignty, or the sovereignty of the peoples' rule, is part of the seven principles, 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.
If you are the governor of Florida and you are considering running for President, you will be able to still require infortmation in writing of executive orders, appoint a justice, and take charge of military forces. You will only be allowed to serve two, four-year terms, however. Therefore D, is the correct answer.
B the US has an extremely extensive railroad system not Europe
The correct option is D: CHIEF LEGISLATOR.
The president has many roles that he plays, one of them is the role of the chief legislator. The chief legislator is responsible for signing or vetoing new legislation. The president has the power to influence the congress in its duty of lawmaking.