Learning about public speaking can help improve your . a. relationships with others b. performance at school c. chances of getting a promotion at work d. all of the above Please select the best answer from the choices provided A B C D

Explanation:

d. all of the above

no

explanation:

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.