France is one of the European countries Who takes special interest in the study history of Crusades and its Campaigns on the Islamic orient due to many reasons first of them the great role the Frenches Played in those Wars Which Lasted for two centuries, because they considered this Period as a Part of the history of France itself the second one : The literary movement flourished since the 17th.C in France itself , the third one : the imperial trend adopted by foreign politics of France .