This major event came to be known as the Great War which was the first war to be fought along modern industrial lines and it lasted from 1914 to 1918. It was also the first time that chemical weapons were introduced which resulted in one of the first genocides of the century. The focus of this lesson is on the Causes of World War I and aspects of people’s experience at home and at war by exploring the reasons why the war broke out, aspects and experiences of the War, the role of women during the War, and the defeat of Germany.