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