Weapons of the Crusades´╗┐

Long Swords, Maces, Spears, and arrows-standard weapons
early cannons-were used heavily in the Navy and even some on the battlefield
huge siege weapons-weapons used when knights were attacked in the crusade
ballista-simplest weapon,a giant crossbow that could shoot arrows
trebuchet-the most powerful siege weapon,a catapult that could fling rocks long range
All these siege weapons were used to get into Jerusalem by the knights of the Crusades.