MCQOPTIONS
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				| 1. | 
                                    Suppose that tomatoes from Mexico face a 20 percent tariff in the United States and a 25 percent tariff in Canada. If the United States and Canada maintain free trade between each other, the these two countries belong to a ? | 
                            
| A. | free-trade area | 
| B. | customs union | 
| C. | common market | 
| D. | monetary union | 
| Answer» B. customs union | |