The Plans for a US/Canadian War

The United States and Canada share the world's longest undefended border. The United States and the United Kingdom have shared what has been called a “special relationship” since the Second World War. The idea of these countries going to war with each other today is unthinkable. Yet, this was not always the case. There was a time when this was very thinkable, and that time was far more recent than most people realize. Learn more about the planning for a US/Canadian war and how both sides made plans to invade the other on th...