Enabled entirely by tar sands and fracking tech. OPEC made oil really expensive incentivizing technology development and now US*Canada have put a cap on oil prices and could bankrupt any nation relying on oil for the majority of their GDP.

History books might cite oil technology, electric cars, Trumpism, the failure of European unity, and the coming recession to be the collection of triggers for the most "interesting" times we've seen since WWII. The legitimacy and power of the American government is at a low point, if we bankrupt our adversaries and fall into a recession ourselves, who knows what could happen.