C. 250 years (I believe )
Oppressive heat and little rainfall
The Persians built a system of well maintained roads which facilitated the rapid transit of military and government personnel. One particular road was called the Royal road that stretched from Sardis to Susa . The Persians established way stations at intervals equipped with fresh horses for the King's messenger.
The Assyrian system of communication was so efficient and effective that a provincial governor anywhere in the empire except Egypt could ask a question and receive an answer within a week.
Answer:
route the 1950 the US when from 20% of forms having a television to newly 90% the number of television station number of channel are available programming all groups to make the demand of
