Attacks using explosive force and burning power were more effective than cannons that used colliding force since most of the buildings and warships during this time were made of wood.
そもそも、建築物や軍船のほとんどが木製だったため、衝突力を主な攻撃力とする大砲よりも燃焼力、爆発力を利用した攻撃が有効だった。