Cabinet posts are positions within the executive branch of the United States government that are appointed by the President and confirmed by the Senate. The three Cabinet posts mentioned in this crossword are LABOR, ENERGY, and INTERIOR. The Secretary of LABOR is responsible for promoting the welfare of job seekers, wage earners, and retirees by improving working conditions, advancing opportunities for profitable employment, and protecting workers' rights. The Secretary of ENERGY is responsible for overseeing the nation's ENERGY policy, including nuclear power, renewable ENERGY sources, and ENERGY efficiency. The Secretary of the INTERIOR is responsible for managing and conserving public lands and natural resources, as well as providing services to Native American tribes.