Answer:
a. it encouraged African-Americans to become politically active and racially conscious.
Step-by-step explanation:
After World War I, African-Americans started to move from the South to the North looking for new opportunities, but found out that in the North there were also racial discriminations. Hubert Harrison founded the New Negro movement in 1917, to encourage African-Americans to became racially and class conscious and to become politically active, it also encouraged them to create and participate in art activities, which gave birth to the Harlem Renaissance, where a major number of African American artists developed and celebrated their though path.