The United States has supported world food security through food aid and development assistance. However, domestic U.S. agricultural policies have an even greater effect on food security. As those domestic policies change, they have direct effects on world food security through the level of stocks and prices of certain commodities. Domestic policies will indirectly affect U.S. food aid programs through the same mechanisms, which should generate debate among the coalition of groups that support food aid. The 1990 farm bill and the GATT negotiations offer opportunities and challenges to strengthen world food security.