What are the advantages and disadvantages of federalism to democracy?

The advantage of a federal government would be   It Allows local states to be independent and has an autonomy toward their territories, while providing opportunities for the central government to intervene.

The disadvantage would be there would be less uniformity between people on different states in response to the issues that the country face.

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.