Currency is used to a. claim a person's status in society b. depict current people in power within the country c. show economic power d. make the exchange of goods or services easier

Currency is used to D. make the exchange of goods or services easier.

Currency is accepted as having monetary value, and is allowed to be exchanged for tangible goods because of the weight of value it has. 

For example, beforehand, US currency was worth it's weight of gold, because the US dollars were limited in the amount with the amount of gold the US had. (now is not the case)

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Well is there a picture