I worked the problem out to show you
Answer:
The Silk Road was an ancient trade route that linked the Western world with the Middle East and Asia. It was a major conduit for trade between the Roman Empire and China and later between medieval European kingdoms and China.
Explanation:
(A) Gross Domestic Product (GDP) is your answer.
The GDP takes all the profit a country earns through export, and subtracts it from the imports that the country takes in (To see if there is a profit). It is then divided by the amount of people that lives inside the country, so that they can find the GDP per capita (How much each person is given if all the money is split evenly.) For example, the GDP per capita for the US is almost $60,000.
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