What is inflation?
a.)an increase in the supply of currency that reduces the currency's value
b.)a demand for more goods than can be met by production
c.)an increase in unemployment due to a serious recession
d.)an excess of goods that results in lower prices

Inflation is usually an increase in the price(s) of something and a decrease in the value of money. So the answer choice that best fits this general definition is:

 A. An increase in the supply of currency that reduces the currency's value.

Hope this helps!

answer; the period of time known as the middle ages;