Jailbreak

RAY: Here's the answer. The Confederate soldiers returning home were called a name that arose out of a tool they were carrying. A hoe.

TOM: Farm hoes!

RAY: Exactly. The soldiers were walking the back roads, riding and jumping on trains, and sleeping out in the countryside hoping to find some kind of work. They were called hoe boys, which came to be called hobos.

[ Car Talk Puzzler ]