Changes in the buying power of the dollar are measured by

Group of answer choices

the unemployment rate

the money supply

the consumer price index

interest rates

the consumer price index

Explanation:

Hi, the consumer price index (CPI) is a measure of the average variation of price paid by consumers for a market basket of consumer goods and services.

The buying power of the dollar has a negative correlation with the CPI. If the CPI increases, the buying power of the dollar decreases.  

So, the CPI can be used as a measure for the buying power of the dollar.

the 4th option is the answer

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.