The sprawling U.S. Department of Agriculture controls policies, regulations and aid programs related to farming, forestry, ranching, food quality and nutrition.
Republican Rep. Lori Chavez-DeRemer of Oregon, who narrowly lost her reelection bid earlier this month, received strong backing from union members in her district.
Trump's new lawyers will have to decide how to handle hot-button issues before the high court this term, including cases on treatments for transgender youth and on ghost guns.