The answers are a & b i believe.
The total dead or missing were 41,592 for all U.S. Army ground troops in the Pacific and southeast Asia, with another 145,706 wounded. The Marine Corps and attached Navy corpsmen suffered total casualties of 23,160 killed or missing and 67,199 wounded.
Answer: the gold solidus of the Byzantine empire (Eastern Rome).
Explanation: There were lots of trades with gold, going into the Byzantime Empire, {used to be rome}