How does the constitution reflect the principle of popular sovereignty a) by limiting the amount of power of the government. b)by placing protections on the civil rights of the nations citizens. c) by implementing safeguards against the abuse of power. d)by allowing the people to chose their representatives

this doesn't support enough information to answer the question.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.