54. Which of the following is an argument for an Economic Union? Select one: O a regional trading blocs could lead to protectionism worldwide O b. Leads to trade diversion O c. Can cause conflict between different trading blocs O d. Leads to trade creation 50 5. Which of the following best describes a customs union? ut of Select one: O a. a free trade area which requires fixed exchange rates between member countries O b. an area of the world where you pay no tax ca free trade area within a certain group of countries who have a common tariff with the rest of the world O d. an area with the same unit of currency vious page Finishatter