This US government program helped to create jobs for artists (and many other occupations) during the Great Depression and World War II. It allowed artists including Dox Thrash to use their art in support of the country. What was this extensive program called

The program mentioned in the description is:

Explanation:

The Federal Art Project was a program incorporated by President Roosevelt into the New Deal and sponsored by the Works Progress Administration (WPA), which sought to provide job relief to American artists but in jobs that matched their abilities. More than 10,000 artists benefited from this program, including Dox Thrash, John Augustus Walker, and Diego Rivera, the art created at the time is so important to the country that the WPA together with the FBI have a program called Art Recovery Project with which they look for all those pieces of art that have not been lost through the years.

I attach its logo and an image of the number of jobs generated.