Answer:
C. It promoted the Ku Klux Klan.
Explanation:
The movie Birth of Nation promoted the Ku Klux Klan in the South. The film exhibits the Ku Klux Klan as a noble thing to preserve white supremacist.
The former Confederate founded the Ku Klux Klan and began to terrorize black in the South. The Ku Klux Klan began during the Reconstruction era, especially in the South.
