With Regard to the Issue of Free Trade,it Is Correct

With regard to the issue of free trade,it is correct to say that

A) Mercosur has been the least successful of the free trade agreements that have been signed.
B) The World Trade Organization has been able to resolve trade disputes soon after they arise.
C) There has been strong support for the World Trade Organization from groups like environmentalists,farmers,and social activists.
D) Economists have concluded that free trade has not been as good for Canada as predicted by its supporters,nor as bad for Canada as predicted by its opponents.
E) All of these statements are correct.