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.
The Silk Road stopped serving as a shipping route for silk about 1453 with the Ottoman supremacy at Constantinople. Ottoman rulers of the day were anti-western, countering the crusades and aware of the loss of Andalusia in the west. They expressed their displeasure by embargoing trade with the west.