merge the US and Canada into a single country http://www.theguardian.com/world/2014/m ... ment-trade The Guardian http://www.theguardian.com/world/2014/m ... ment-trade http://www.theguardian.com/world/2014/m ... ment-trade http://www.theguardian.com/world/2014/m ... ment-trade The Guardian