The United States Department of Agriculture (USDA) operates one of the largest food assistance programs in the world known as the Supplemental Nutrition Assistance Program (SNAP) which was formerly called the food stamp program. The USDA also oversees federal laws related to farming in the United States and even provides excess food products to the World Food Program and other non profit agencies. The USDA employs over 105,700 people mostly in the United States, see what people are saying about working for The United States Department of Agriculture.