Business Activity in Mediterranean Sea and its Impact on Crusades Emirates in Levant Country fell during the second half of seventh century(A.H.)

Abstract

       The commercial activity in the Mediterranean had a major impact in Emirates Crusades in Levant country fell by Al- Mamluks hand , however , the competition was at its peak between the European Emirates particularly among Italian republics marine , which influence the internal situation and there were disputes between Crusades Emirates in the levant country resulting to weakness on the other side , were bad-treatment and abuse that Crusaders showed against traders and farmers on the other hand , the alliances that had Crusades tried to contract with the Mongols Knight, the first enemy of the  Mamluks of a third hand , these factors prompted the state of Al-Mamluks to undertake military operation to eradicate the Emirates country during the second half from the seventh century(A.H.).