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Nihonjin1051
bro,I'm giving you one advice.its good to watch movies on historical facts,in fact I've watched that same movie only yesterday,though I've watched it before countless times.but,never draw any lesson from movies.its better if you study on them,or even better,watch documentaries.
BBC has a great documentary on crusade.a collection of 4 episodes.watch it.you'll gain the insight.
about Saladin,he was an perfect example of an opertunist.he was nothing but a nephew of a powerful general,Asad al din Shirkuh,who actually appointed to aid Fatimid caliphate in Egypt by Nur Ud Din.Saladin was reluctant to go to Egypt,but went with his uncle.he had no fighting experience,rather a shy young man.but this trip changed everything.never known how,but he was appointed to a role of commander of the Zengid army.his job was to lure enemy out.he performed his job properly and won the battle.
from this,the power struggle of Egypt has begun.he somehow got the role of Vizier of Egypt,and killed his close competitors later.some says,the reason was to install a "Weak and Young" one in Egypt who will bend according to Nur ud din.it is unclear whether Nur Ud Din selected him or not,but the reason was clear and Al Adid selected him.
from here,with much up and down,he became sultan of Egypt after Nur Ud Din and Al Adid died and then he gained Damascus due to some miscalculation and misadventure done by Crusader Kingdom and thus,turned the worst dream of Crusaders true.see,Crusaders didn't really had much of a chance to win in First Crusades.its much of a series of luck that favored him.Crusader Kingdom also relied on factional fight in Muslim world to retain its existence.but their miscalculation gave birth to Saladin,the Champion of muslim world,who has the power to thwart Crusaders from this land.he recruited massive army,mainly due to his Sultanate in Egypt,as Arab World couldn't funded such a massive force and only Egypt could.he got Damascus,a permanent threat just next to Crusader Kingdom,and he allied with other kingdoms to thwart Crusaders.even though Crusaders won series of battles against him,they were finally crushed at Hatin.now,that too,was attributed to the miscalculation of Crusader force than his generalship.later,when King Richard arrived to fight his Crusade,its said that Saladin actually lost control over his army,and his brother tried to overthrow him.
now,I don't criticize his character or something,but these are the facts.but,Possibly its he who could only defeat the Crusaders,as even better leaders didn't knew how to use opertunity better than him.