Task: Text Simplification
Input (English): in 1187 , saladin defeated the armies of the crusades at the battle of hattin , largely because he was able to cut the crusaders off from the valuable fresh water of the sea of galilee.
Output (English): the year one thousand eighty seven marked the defeat of the crusades army by saladin at the battle of hattin owing to his ploy of being able to deprive the crusaders from fresh water supply sourced out of sea of galilee.