What phrase describes working class entertainment that consisted of comedy routines black and white singers and animals?

Do witches eat food? How much land, in terms of acres, does a horse typically require for adequate grazing and exercise? Have you ever accidentally hurt a cat by stepping on it? If a oak tree dies can it come back to life? How long can humans survive without food or water if they're bed ridden? When did hildegard von brigen write columba aspexit? Why does dog hair not grow back after surgery? Is a swallow herbivore? Why do animals not obtain nitrogen from the air? At what age is the best time for cats to have kittens? Why seashells turn gray? Consuming too many simple sugars can lead to what? How can I prevent cats from stealing food? Why did the us military favor the slaughter of buffulo in Texas? What animal can be dangerous and nice? What are the common characteristics of cats with a pot-bellied appearance, and what factors may contribute to this physical trait in felines? What animal skin did trappers use to make clothes? Can dogs have corn cobs, and if so, what are the potential risks associated with feeding them to dogs? What animals can you look after as an animal carer? Deinosuchus habitat and what kind of swamp did it live in?