The Fact That the Horse Became a Measure of Wealth

The fact that the horse became a measure of wealth for the Lakota people illustrates which of the following?

A) Without a monetary-based economy, the Lakota used the horse as a means of currency.
B) As the Lakota territory grew in size, horses were required as a means for transportation.
C) European innovations and values influenced the Lakota to amass horses for trade.
D) The trade economy resulted in the replacement of the values of equality with the pursuit of wealth and status.