Hire half unemployed to dig holes with a shovel all day, and the other half to fill them and pay them 30% below minimum wage. Or do something useful - there is always infrastructure in need of repairs. If won't cost much compared to wars and will do wonders for the self worth of the people.
You've just invented the Public Works Administration! A huge proportion of America's infrastructure was built in the 30's by the PWA - including the vast majority of infrastructure in federal and state parks.
They had to stop because that's socialism - and as we all know, socialism is unAmerican and bad.
