Proponents of free trade claim that Multiple Choice removal of tariffs harms American firms and workers as it opens the U.S. market to goods from countries that have cheap labor. protectionist measures remove barriers to free and fair trade policies. free trade policies enable indigenous producers of a product to gain a competitive advantage over their international counterparts. tariffs should be kept to a minimum, with a goal of advancing the long-term economic interests of all countries. domestic producers should be protected from foreign competitors through quotas and subsidies