The correct answer is A) artists were hired for posters, murals, and other commissions.
The statement that best explains how the U.S. government promoted artistic expression through New Deal programs is "Artists were hired for posters, murals, and other commissions.
It was President Franklin D. Roosevelt who created the New Deal, a series of federal programs designed to help the American people who were suffering harsh economic conditions and to promote other fields of America. Regarding art, the New Deal had important programs such as the Federal Act Project, the Public Works of Art Project, and the Treasury Relief Art Project.