For the foreseeable future, the United States will probably remain the world’s most powerful nation. Yet, like any champion, it must watch for challengers and head them off. At present, China’s rise on the global stage troubles Washington. A few decades ago, it was the Soviet Union.
But will future contenders for superpower status be much closer — specifically, north of the U.S. border? The British Empire ended in the mid-20th century when it was outmanoeuvred not by one of its longtime rivals, France or Germany, but rather by its ally, the U.S. Could Canada do the same?
