The Harlem Renaissance was a
of African-American culture.

The Harlem Renaissance was an intellectual, social, and artistic explosion centered in Harlem, Manhattan, New York City, spanning the 1920s. At the time, it was known as the "New Negro Movement", named after The New Negro, a 1925 anthology edited by Alain Locke

Explanation:

i believe their role is to instruct certain sections on when they are to join and when they are to stop