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!
Answer:
Explanation: Independence, see List of incidents of civil unrest in Colonial North America. Wikipedia has articles on most of the major episodes of civil unrest.
The movement from rural to urban areas
He was originally negotiating with for access to the mouth of the Mississippi River in New Orleans. France was low on money at the time, and in need of a lot of money to fund more of Napoleon's battles - so France offered their ENTIRE Louisiana Territory instead of just New Orleans for only three cents an acre
