'People fight back': Military expert warns Trump vow could trigger decades-long insurgency

President Donald Trump has repeatedly mused about making Canada into America's "51st state," which has prompted one expert to conduct a war game mapping how a U.S. invasion of Canada would play out.

The Montreal Gazette reported that Aisha Ahmad, a political scientist at the University of Toronto, said that the American military would likely easily defeat Canada were Trump to really give the green light for an invasion.

However, he also said that wouldn't be the end of the story as...