War Plan Red was a secret U.S. military strategy developed in the early 20th century that outlined a potential invasion of Canada. Emerging from concerns about British Empire relations and the possibility of conflict, the plan envisioned a scenario where the U.S. would mobilize its military forces to secure Canada in the event of war with Britain. Created during the 1920s, War Plan Red detailed operational strategies, including key points of invasion, such as the Great Lakes and the St. Lawrence

War Plan Red was a hypothetical military strategy formulated by the United States in the early 20th century, detailing an invasion of Canada in the event of conflict with the British Empire. Originating in the 1920s, the plan emerged from growing tensions and the need for preparedness against potential geopolitical threats. The plan envisioned a rapid deployment of American forces across the northern border, utilizing a combination of land and naval power to secure key locations and strategic ob