Demand for this exotic fabric eventually created the lucrative trade route now known as the Silk Road, taking silk westward and bringing gold, silver and wool to the East.
Delicate nature, less resistance, low output, the germination period before and after the spring equinox, and stop growing season after the frost year growth period 7 months.
Detailed studies of the winds and currents using computer simulations suggest that drifting canoes would have been a most unlikely means of colonizing the Pacific.