Free trade is the ideal trade,which implies the fact that countries benefit from the international trade.If countries choose to trade more,they gain more.The economists believe that it is needed to trade free of any obstacle:free trade is considered to be a better solution (the first good solution) than any policy elaborated by governments (the second good solution).At present there is no country with free trade and every country has a commercial policy oriented towards liberalization or protectionism.The commercial policy is an important part of the general economic policy of a country and it refers to the external economic relations country has.