The most used was the bolt action rifle, it fired 15 rounds a minute at a person 1,400 meters away. The second new weapon was the machine gun. Machine guns needed 4-6 men to work them and it had to be on a flat surface. They had the fire power of 100 guns. There was also large field guns that had a long range and could drive devastating blows to the enemy but they needed up to 12 men to work them. They fired shells that exploded on impact. Next there was gas. The German army were the first to use chlorine gas at the battle of Ypres in 1915. Chlorine gas causes a burning feeling in the throat and you got chest pains. Death is painful, you would suffocate. The problem with chlorine gas is that the weather must be right. If the wind is in the wrong direction it could end up killing your own troops rather than the enemy. Mustard gas was the most deadly weapon used. It was fired into the trenches in shells. It is colorless and takes 12 hours to take effect. The effects were: blistering skin, vomiting, sore eyes, internal and external bleeding. Death can take up to 5 weeks. In Document Four Henry says “ on top of this, I encountered mustered gas for the first time last week. Fortunately, I had my gas mask ready. The same could not be said for my friend, Heinrich. To see someone die such a death is a horror I will never forget,” Henry saw his friend die from mustered gas. It was a horrible…