What is inflation?
a. an increase in the purchasing power of the dollar
b. a decrease in the purchasing power of the dollar
c. an increase in the purchasing power of foreign currency
d. a decrease in the purchasing power of foreign currency

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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.