Aside from a few minor cultural variations....Canadians are more like Americans than they are like anyone else. I'm just thankful that the threat wasn't that "Americans are Canadians".....
Subtle difference....
Actually we're more closer to Australia then the US. The only thing that links us together are our similar accents and the side of the road we drive on.... other then that, there's not a whole lot of unique similarities that tie us directly to the US as being from the US.
Market and trade is a no brainer, they're the closest to deal with.... that doesn't make us or them anymore American or Canadian as opposed to the other.
Our Governments are operated much more differently and ours matches that of the UK and Australia.
Universal Health care issues differ from each country, where our perspectives match that of the UK or Australia.
Gun Control laws are much more different in the US as opposed to Canada, Australia or the UK.
Besides calling our currency Dollars, driving on the same side of the road and watching the same reruns on TV as those in the US, there isn't anything distinctive that ties us together in any unique manner compared to other developed countries.
And sharing the longest undefended/unarmed border in the world.... oh wait, that's no longer the case anymore.... but if it was, it still doesn't make us the same people.