An economic system that favored exporting over importing and measured a country's wealth in terms of how much gold and silver it possessed was known as what?

Mercantilism

Mercantilism a system whereby a country attempts to amass wealth through trade with other countries. According to this theory, the amount of wealth in the world was static. As a result, European nations took several steps to ensure their nations accumulated as much of this wealth as possible.

the correct answer is a