Why did Duke Ellington perform a the Cotton Club?

He hired the most impressive black performing artists in New York City for his shows and signed Broadway's top white songwriters to compose the scores for his dazzling revues. He positioned The Cotton Club to present first-class, authentic black entertainment to a wealthy, whites-only audience.

Explanation:

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !