Introduction: The military factor in Canadian-American relations -- 1. Anglo-American confrontation (1775-1870) -- 2. "Left without home protection" (1870-1878) -- 3. Imperial defence (1878-1885) -- 4. North American issues (1885-1894) -- 5. Venezuela and after (1895-1900) -- 6. Canada's dilemma (1900-1908) -- 7. Lingering confrontation (1908-1917) -- 8. From war planning to alliance(post-1919)