I believe it already has. The UMCA
In the Midwest, watching the corn and soy poison us all, really up-close-like now.
In response Crumb Catcher to her Publication
United States Mexico Canada Agreement, hmmm... I've heard for at least two years that the entire globe will shift, not physically, but in terms of countries once the UK was bereft of its colonies.
Hawaii would become sovereign; Canada and Australia would fall in with the United States somehow. Australian cabinet members have already postulated how they'll govern themselves now that the royals are powerless.