Answer:
B. Uniformity
Step-by-step explanation:
Monetary units are denominated to the different currencies of the countries. Each country has a monetary unit (its official currency) with which commercial transactions are carried out internally. In some cases, there is more than one official currency in circulation in a country, therefore, there will be more than one currency unit, however, in most cases, there is only one currency, which is usually issued by the bank. central of the country.