Concept:Black theatre is drama that centres on the lives and identity of Black people, especially Black Americans.
Explanation:Black theatre emerged to tell the stories, struggles, and cultural experiences of Black Americans.
It is not about actors wearing black clothes, mourners, or merely the skin colour of actors.
It also does not specifically refer to Africans of West Indian origin, though it may include related themes.
The main focus remains the identity and experience of Black Americans.
Answer:B. The identity of black Americans.