Answer:
13. Emperor Fredrick, King Richard I, and King Phillip II
14. Saladin promised that christian pilgrims could travel to Jerusalem safely
15. "six more crusades were launched over the next sixty years, but they achieved very little."
16.
Europe - the Middle East
Nobles - reduced - stronger central governments
17.
Richard: Christian pilgrims can now travel safely!
Saladin: Islamic Conquest.