response: I'm not sure, but they've become associated with baseball and Americana.
original_response: They basically grind all this meat and fat and bones and all kind of animal pieces. Bleck. They started becoming popular because of baseball. They are actually a Class 1A carcinogen-cancer causer.
history: I am disgusted by Hotdogs. Oh, OK. They're also called frankfurters and wieners. I had a friend who used to do inspections in hot dog manufacturing facilities and he said to never eat one.  What are they made of anyway?
knowledge: The hot dog became closely associated with baseball and American culture.