"<span>It improves trade between different parts of the world" is the best answer, since the joining of all the nations in the EU has been trade easier for a variety of countries. </span>
This is an extrememly difficult question to answer, but in general many historians believe that it would ave eventually ended the same way.
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
William Blount was the Southwest territorial governor