Beans, I assume you have fresh fruit and fresh vegetables during winter.  Free trade allows each country to trade products or services that they are better at than their trading partner.  I am old enough to remember all the sweet heart deals Canada made in the past to benefit central Canada.  However, there are still several issues with trade agreements:
1.  Disputes should be handled by arbitration at the WTO, without any participant being able to choose the arbitration panel.
2.  Civil rights or environment clauses should be included