“laboratories of federalism/democracy” relates to which advantage of federalism?

The federalism divides and balances power between state and national government.

“Laboratories of federalism/democracy” relates to the advantage of federalism: federalism allows and encourages innovation and experminetation.

The federalism focuses on creating culture of innovation for a broad range of policy areas—particularly for education.

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.