<a href="http:&#x2F;&#x2F;economics-charts.com&#x2F;gdp&#x2F;gdp-1929-2004.html#table" rel="nofollow">http:&#x2F;&#x2F;economics-charts.com&#x2F;gdp&#x2F;gdp-1929-2004.html#table</a><p>The New Deal had already kickstarted the economy by the time WWII rolled around - although obviously WWII served as an even larger public works and employment program. (The government did, however, have wage and price controls for many decades after the Great Depression.)<p>As you can see in the chart, GDP had already <i>doubled</i> by 1941, returning to pre-Depression levels, with New Deal programs beginning in 1933. You can see that WWII again nearly doubled GDP from 1941 to 1945.