The Law of Demand in other words C
The answer is that federal troops we're withdrawn from the south.
Answer:
<em>The Silk Road primarily refers to the land routes connecting East Asia and Southeast Asia with South Asia, Persia, the Arabian Peninsula, East Africa and Southern Europe. The Silk Road derives its name from the lucrative trade in silk carried out along its length, beginning in the Han dynasty in China </em>
By controlling the tax trade
