Trading between various countries happen(s) because no one country can produce every item that their consumers want. As a result, trade between countries allows consumers to get what they want. a) Select two economic environment factors and describe how they apply to trade between countries. b) Take an example of a product and share what we mean by national competitive advantage and apply the conditions that determine its national competitive advantage to your example. c) Define and describe two factors that might determine why Canada might have a trade surplus most of time.