The world’s powers have to be ready for anything. After all, war could break out at any moment, and they have to be ready to fight. It’s very likely that every country in the world has plans ready to invade each and every one of their neighbors, just in case.
But some of those plans aren’t the best-kept secrets. Some of our plots to crush each other have been leaked—and now we know exactly what would happen if, for example, the US and Canada went to war. These plans might seem crazy today, but if things had just gone a little bit differently, any one of them could have been a part of history.