What was the Harlem Renaissance?

A- the explosion of African-American art, literature, music, and drama in Harlem in the early twentieth century
B- a literary movement in the 1920s that specifically focused on life in city neighborhoods like Harlem
C- a resurgence of interest in literary works after new media like movies and radio were introduced to society
D- the mass migration of African-Americans from the rural South to the urban North, including places like Harlem

A- the explosion of African-American art, literature, music, and drama in Harlem in the early twentieth century