Canada would likely be in the same boat as us.
How would the states provide protection, food, water, shelter, and medicine for people? Without that all you’ve got is chaos.
Obama has alienated every ally we’ve got - and they are all being overrun by Islamist orcs too; what are they doing to fight back? You think they would stop thinking about controlling their own issues - which, as you say, would be hit by a US economic collapse too, in addition to the Islamist invasion currently wreaking havoc - and send an invading force to the US to fight Obama’s military and try to bring order to the entire USA?
-PJ