Final answer:
The most popular New Deal program believed to be paying people for working was the Works Progress Administration (WPA), which offered immediate employment through public works projects.
Step-by-step explanation:
Under the New Deal, Works Progress Administration (WPA) programs were the most popular because it was believed that people were being paid for working.
While Social Security remains the most popular welfare program initiated during the New Deal, it did not initially stimulate economic recovery because there was a delay between collecting funds and dispensing benefits, and it also did not cover many demographic .
On the other hand, the Civilian Conservation Corps (CCC) and the WPA were designed to provide immediate employment. The CCC employed over three million workers and focused on environmental conservation and putting young men to work.
whereas the WPA provided funding for numerous public works projects that employed millions of Americans during the Great Depression.