Archduke Franz Ferdinand was assassinated in Sarajevo, Siberia. On June, 28th, 1914. Which sparked the beginning of world war I The president of the United States of America during the period of World War I was Woodrow Wilson, The reason he decided to enter the war was because he wanted to keep the world, “safe for democracy”. Women were starting to expand in the workforce because most men were at war. The jobs that women did during the war mostly included; engineering, working in munition factories, and public services, such as police, firefighters, postal workers, etc. Items like rubber, food, and gas were being rationed Tanks were first introduced in world war one. These heavily armoured vehicles could withstand enemy fire and shot explosive