Answer:
If Brett Thiesen wants to make a political case for regional economic integration to his electorate, the valid statement he can make in this regard is
E) free trade stimulates economic growth, which creates dynamic gains from trade.
Step-by-step explanation:
Free trade among regional countries is the only sure way to "stimulate economic growth and create dynamic gains from trade." According to wikipedia.com, "Free trade is a trade policy that does not restrict imports or exports. It can also be understood as the free market idea applied to international trade." It is free trade system that created the European economy, enabling them to replace their national currencies with the Euro. Regional free trade also encourages the movement of not only goods, but also persons and services, and cultures.