I got a question for you: The Works Progress Administration (WPA; renamed in 1939 as the Work Projects Administration) was the largest and most ambitious American New Deal agency, employing millions of people (mostly unskilled men) to carry out public works projects, including the construction of public buildings and roads. In a much smaller project, Federal Project Number One, the WPA employed musicians, artists, writers, actors and directors in large arts, drama, media, and literacy projects.

Answer this question: what was the purpose of the works progress administration?
Let's think first:
To answer the above question, the relevant sentence is: The Works Progress Administration (WPA; renamed in 1939 as the Work Projects Administration) was the largest and most ambitious American New Deal agency, employing millions of people (mostly unskilled men) to carry out public works projects, including the construction of public buildings and roads.
Therefore, the answer is to carry out public works projects , including the construction of public buildings and roads.