Answer:
I can't answer 13, but 14 is silk, ancient China kept secret the way to make silk because (15) it gave them an advantage in trade (the silk road) because other countries would trade their goods for silk since china wouldn't tell them how to make it. Hope this helps!
B: it brought together people from the West and East to trade.
Answer:
1) you are transporting other memebers of society from one place to another, including important political figures, businessmen, etc
2) they can save peoples lives and be heroes which would amass great media coverage and respect from society
Answer:
They had well dispersed armies, conquers already weak empires, and had some persecuted people convert to Islamic religion. ... Vigorous religious and political opposition. Rebel groups (AKA Abbasids) overthrow them in 750.
Explanation:
