Final answer:
It is not possible to determine George's reaction to Walter and Beneatha's African dance based on the given text.
Step-by-step explanation:
George's reaction to Walter and Beneatha performing their African dance is not explicitly mentioned in the text provided. The passages describe different scenes and characters in various contexts, but George's reaction to their dance is not specified. Without further information or direct evidence from the text, it is not possible to determine George's reaction to Walter and Beneatha's African dance.