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 was a trade route that went from China to Eastern Europe. It went along the northern borders of China, India, and Persia and ended up in Eastern Europe near today's Turkey and the Mediterranean Sea. Not all that was traded along the Silk Road was good. 2  It is thought that the bubonic plague, or Black Death, traveled to Europe from the Silk Road. 3  Very few merchants traveled along the entire route. 4  Goods were traded at many cities and trade posts along the way.