Which of the following is an advantage to having a common currency in the european union?

a.
it allows each government to make its own policy regarding currency.

b.
it allows the worth of the currency to change depending on the country.

c.
it makes it impossible for member countries to suffer economically.

d.
it allows for easier trading and investment.

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.

where is the rest of the question. this isn't making sense. can you upload a picture of the question?