The first one, a brother & sister that immigrated to the Us from Ireland as children. The reason why is because they experienced the struggles as an immigrant first hand instead of using someone else's story, giving it more credibility.
Answer:
Try your best. Research. Have fun. :)
I’m pretty sure it’s B) tightly
Beneatha is enraptured by the tribal music record because it was a tribal dance, specifically a Nigerian folkdance. The tribal music being danced by her is a ritual dance that should be danced with passion and delight.