Read the Introduction [paragraphs 1-7]. Which sentence from the section shows WHY the NFL will play “Lift Every Voice and Sing” before some games?

A
"Lift Every Voice and Sing" is known as the Black national anthem.
B
The move came as a result of police brutality and the protests that followed.
C
Millions of Americans may be introduced to the song for the first time.
D
She said most people do not know what the other verses say.

Someone help me with this ASAP