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.
These routes were called the Silk Roads because traders used them to bring silk from China to western Asia and then on to Rome.. The Silk Road encouraged the sharing of knowledge and the trade of items among cities and empires in Asia, the Middle East, Northern Africa, and Europe.