Euphoria swept Canada, and especially Ontario, with the outbreak of World War I. Young men rushed to volunteer for the Canadian Expeditionary Force, and close to 50 per cent of the half-million Canadian volunteers came from the province of Ontario. Why were people excited by the prospect of war? What popular attitudes about war had become ingrained in the society? And how had such values become so deeply rooted in a generation of young men that they would be eager to join this 'great adventure'?