Answer: It is either C or D but it's probably C
Explanation: Based on common sense and kinda off what google says
The country will have more need to trade with other countries.If you have more resources then you have more product increasing the need of trade.
Though the explorers found none of the storied treasure, they did discover<span> the Grand Canyon and other major physical landmarks of the region, and clashed violently with local Indians</span>
The Airline Deregulation Act was passed
The answer is A.) The study of the past through artifacts.
