Answer:
It describes an era in history during which lights was hard to come by.
What did one wall say to the other?
What do you get when you cross a chicken and a pig?
What is the easiest way to double your money?
What gift should you give blind people, drunks, and nerds for Christmas?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk