Bonsoir,
5. Correction : In the past, his buildings were brown and old-fashioned.
6. Correction : Harlem is a neighbourhood in New York that has a big musical culture.
7. Correction : Artists have participated in the Harlem Renaissance with their music and paintings.
8. Correction : There are 259,200 inhabitants in Harlem.
9. Correction : There was a movement against racial discrimination.