Answer:
(B) Sherman's march to the sea
Explanation:
<span>They limited the amount of gold available for trade, increasing its value.</span>
B - rading about the remains of an ancient statue.
While both A and C are very romantic, both would take ages for a professional working archaeologist to dig up anything useful in a reasonable amount of time. The most effective thing that he can do is read primary sources and based on those decide where a temple stood.