Question

Suppose an archeologist finds a 10th-century gold coin from the Abbasid Caliphate in a Viking grave in Norway, thousands of miles away. For what purpose is the coin most useful as a primary source?

evidence about 10th-century trade networks

information about where Abbasids obtained gold

details about the lives of Viking slaves in Baghdad

calculation of the value of Abbasid money

Answer 1

Abbasid and Viking trade.

Answer 2

So its the 2nd one?

Answer 3

Looks like a good choice.