What role did the muslim leader salah-al-din (saladin) play in the crusades?

\he recaptured jerusalem from the crusaders.
he triggered a crusade by mistreating christians.
he became the last muslim ruler of the holy land.
he launched a counter-effort against balkan europe

Why is it useful for historians to base certain studies on the analysis of historical periods

Which best describes the purpose of the second continental congress?

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources