American farmers, who once fed the world, face a volatile global market with diminishing federal backing

President Donald Trump appears to have upended an 85-year relationship between American farmers and the United States’ global exercise of power. But that link has been fraying since the end of the Cold War, and Trump’s moves are just another big step.

During World War II, the U.S. government tied agriculture to foreign policy by using taxpayer dollars to buy food from American farmers and send it to hungry allies abroad. This agricultural diplomacy continued into the Cold War through programs such as the Marshall Plan to rebuild European agriculture, Food for Peace to send surplus U.S. food to hungry allies, and the U.S. Agency for International Development, which aimed to make food aid and agricultural development permanent components of U.S. foreign policy.

During that period, the United States also participated in multinational partnerships to set global production goals and trade guidelines to promote the international movement of food – including the U.N.’s Food and Agriculture Organization, the International Wheat Agreement and the General Agreement on Tariffs and Trade.

When U.S. farmers faced labor shortfalls, the federal government created guest-worker programs that provided critical hands in the fields, most often from Mexico and the Caribbean.

At the end of World War II, the U.S. government recognized that farmers could not just rely on domestic agricultural subsidies, including production limits, price supports and crop insurance, for prosperity. American farmers’ well-being instead depended on the rest of the world.

Since returning to office in January 2025, Trump has dismantled the U.S. Agency for International Development. His administration has also aggressively detained and deported suspected