The reason why the Crusaders were so successful in the first Crusade was that the Turks were already weak from fighting themselves - B.
Contrary to common thought, at the times there was no single unified muslim resistance that was fighting the Crausaders, at least in the beginning. There were a lot of fractions that were fighting between themselves and against the Crusaders.
Answer:
it would be 3 bags
Explanation:
the surface area is 32.5, and the bags cover 15 square yards, 2 bags is less then 32.5, you need a bit extra soil.