RC Cola is a southern thing to a point it was made by some one who was born in the south. Story of RC Cola originally called the Union Bottling Works http://www.glavergne.com/rca.htm Now moon pies are from Chattanooga, Tennessee. The phrase "RC Cola and a Moon Pie became well known around the South, as many people enjoyed this delicious, bargain-priced combination. It has to be that Mason Dixon thing.