Spartan kids didn't have it easy. By 7 they would be taken from parents. Playing around for fun is definitely no, studying is likely a no unless they were upper class, and having meals with family is definitely no.
Well, it depends. Technically all of those answers could SHAPE culture, but language, religion, and government are the best answers. People can still practice their culture despite where they are in the world, after all. So A, B, and C.
