Mar 05, 2019 · The compulsory Grade 10 course, Canadian History Since World War I, focuses on the events and personalities that have shaped our nation since 1914. Optional Canadian history courses in Grades 11 and 12 provide further opportunities to investigate Canada’s past and examine issues that the country will face in the future . Detailed course information and required prerequisite courses for the Canadian History Since World War I (CHC2D) course offered by Toronto West Academy. Grade 10: History Notes and Exam Review Unit One: Canadian History Since World War One: 1914-1939 The Causes of World War One 1. Militarism: the belief in the power of strong armies/navies to decide issues - Germany began to build up their armies - European nations became alarmed by others military power - Each country tried to build larger/more powerful war machines; new technology 2.