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 main purpose of the roads were to hold the Empire together and create a network of communication and stability. Today, roads and bridges are still used; however, the Inca region has became advanced with railroads. Trains are used mostly for the tourist that come and visit Peru and Columbia.n contrast, stone was laid over the roads and canals for wet areas.The Inca road system was highly used in the Inca state and often used to move government messengers, Inca armies, royal litters, or state trade caravans.