World War I is one of the first modern wars fought. Advancements in technology caused World War I to be bloodier and more gruesome than any other war fought at the time. From improved weapons to new chemical weapons, warfare was forever changed as a result of World War I. The industrial revolution played a huge part in World War I. The use of assembly lines increased production of new machines to put on the battlefield. Also, trains and other forms of transportation could move large amounts of troops very quickly. Tanks and planes are huge advancements that came about, were advanced, in World War I. The tank was invented as a result of trench warfare. They were large steel vehicles with weapons on them. However, tanks were never developed