Part 1 of Essay
Twenty-seven countries on five continents were involved in World War I. This war was also called the Great War or The War to End All Wars. was the bloodiest and most costly of all the previous wars. The total casualties numbered thirteen million with another thirteen million wounded. The cost of this war was estimated ....

Part 2 of Essay
.... Book 369). A famous long range gun was called Big Bertha. This was also the first war in which cars and trucks were used to carry men and supplies to the front. World War I marked the beginning of chemical warfare in which clouds of poisonous mustard gas contributed to the casualties of the war (Stewart 8). Unlike previous wars, World War I was fought on the sea and in the air. This was the first war in which airplanes and zeppelins were used. At the outbreak of the war, each army had several hundred p ....