Answer:
C) devaluation and revaluation
Explanation:
Devaluation and revaluation is the way that government changes the exchange rate of it's currency in relation to others.
Devaluation is the reduction of the exchange rate of a countrie's currency usually against the United States dollar. This reduces the currency value in relation to the foreign currency.
Revaluation on the other hand is when a country increases the exchange rate, making the value higher against foreign currency.
