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 Persian Cavalry was crucial for conquering nations, and had maintained its importance in the Achaemenid army to the last days of the Achaemenid Empire. The cavalry were separated into four groups. The Chariot Archers, Horse cavalry, the Camel cavalry, and the Elephant Cavalry.