This song was written in the dark days of the depression and sent the message that the United States was all one and that it had to work together to overcome the problems it faced. The man who wrote...
Cotters were essentially squatters with no rights to own land whatsoever. They worked for some sort of wage in return. This is the lowest class on a lords land.
Sign up with a local extras casting company. There are such companies in nearly every major city now. They'll take your picture and information and submit them to casting agents who are looking for...