The traditions and beliefs of a racial, religious, or social group form the group's? Sorry this is cooking I need a answer asap please help ?

  ! i need it ! the daughters of the revolution eventually admitted african american to their hall.which best analyzes how this detail supports the meaning in "marian anderson sings"? a)it shows that african american performers would never be able to perform in some theaters. b)its show that an era of discrimination on unfair treatment of african american was finally over. c)it shows that marian anderson had ease discrimination for for african american performers. d)its shows that revolutionaries are not open to new ideas.

20 points plus brainlest answer if right.joe nesbo, a travelling salesman, was staying at a hotel for business. he was having a dinner meeting that night, so he decided to take a nap in the middle of the afternoon. he was awakened by a knock at the door, and then a man walked in. “oh my, i’m terribly sorry, this isn’t my room. , pardon the intrusion.” the man calmly backed out and left. nesbo got up and locked the door – something he forgot to do before his nap – and lay back down on the bed. but then he shot up in bed and called the lobby to tell them there was a burglar on the prowl. what made nesbo think that?

Wich statements best identifies a problem with this method