Twenty-eight countries in Europe have formed the European Union (EU). After the EU was formed it a. barred imports of 747 jumbo jets by its member countries; all EU countries must now buy jets from Airbus, a European company. b. eliminated all tariffs among its member countries. c. greatly decreased imports and exports among its member countries. d. completed a trade treaty (NAFTA) that reduced tariff rates between the EU and North American countries.
