Plz helpplz helpplz helpplz helpplz helpplz helpplz helpplz helpplz helpplz helpplz help

A

Explanation:

To benefit each of them, its best if they each specialize in what they are best at and then trade.

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.

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.