Answer:
because people didn't view colored people as equal to whites
Explanation:
Don Shirley is a snobbish, polite, and mild-mannered concert pianist. While he does not appreciate Vallelonga's more exuberant and loud-mouthed affects at first, he comes to appreciate them in time as the two become closer. Indeed, Don is often put off by Vallelonga's attitude and finds him coarse and impolite
