What did they do? I was only able to scan the word I didn't have time to read on? Sorry I should have been more detailed.
http://en.wikipedia.org/wiki/Works_Progress_Administration
The Works Progress Administration (WPA) was a federal agency in the United States, created as part of President Franklin D. Roosevelt's New Deal during the Great Depression. Its primary purpose was to provide employment opportunities for unemployed Americans, while also carrying out public works projects to stimulate economic growth.
To find out more details about the Works Progress Administration and what they did, you can visit the Wikipedia page provided in your question. Once you have the webpage open, you can scroll down to read about the history, goals, and achievements of the WPA. Additionally, the Wikipedia page may also include references and external links that can provide further information on the topic.