What does ‘Black Power’ mean?

What does ‘Black Power’ mean? When and where did the Black Power Movement start?

Answer:
The ‘Black Power’ means the powers given to the African Blacks of America. The Black Power movement started in 1966 in US and lasted till 1975. This movement was a kind of militant and anti-racist movement. To put an end to racism in US, the Black even advocated violence.