What was the main problem with using representative money for trade along the silk road ?

Correct

B. It couldn’t be used to purchase popular items, such as silk and horses.

Due to the findings found in the archaeological sites, such as, confirm the Berel cemetery in Kazakhstan, that the nomadic arimaspians not only raised horses, but also were great craftsmen able to commercialize by the Silk Road, but due to the representative use of money could not continue with these practices.

c. paper money didnt have any value outside of china

wheres the poem i cant need more info