1 You must wait at least 12 months following the completion of treatment to donate your blood. 2  You cannot have had a recurrence of cancer.  If you are currently in treatment, then you are ineligible to donate.
The Royal Road helped the Persian Empire by uniting the empire, delivering mail,and promoted trade and businessthroughout the empire. When the Royal Road unitedthe empire everything started to happen, the delivered mail and the promotion oftrade and business. The Royal Road was for government purposes.
Initially, the spice trade was conducted mostly by camel caravans over land routes. The Silk Road was an important route connecting Asia with the Mediterranean world, including North Africa and Europe. Trade on the Silk Road was a significant factor in the development of the great civilizations of China, India, Egypt, Persia, Arabia, and Rome.