The Crusaders have built a fortress on the hill on the river after destroying the arab fortress that previously sat there. Further up the river hpwerver there lies a smaller arab town. The Crusaders besieged that town untill it crumbled before them. Little did the crusaders know as they exausted thier resourses that massive reinforcement were on thier way to defend the town by destroying the crusaders. They will not stop untill they have have crushed you. After that you must rebuild your devastated economy. How can you possibly survive.