I believe the answer is Gold.
Gold was a very hot commodity at that time because before we use paper/digital money like today, Gold was made as material to make a type of money with more intrinsic value.
The abundance of this natural resources led to many European empire came and started their colonization in AFrica.
<span>institutionalized many of the racial theories prevalent in Nazi ideology. </span>
Trading thrilled in both tang empire and han empire. Yet women had more rights in the tang empire.
Its C, production cost
(if you look up what are the functions of money it pops up if you want to check)
Answer:
C. opened up a second front in europe
