Which activist initiated the idea of black power to describe a more radical approach to civil rights?

Stokely Carmichael is a  activist initiated the idea of black power to describe a more radical approach to civil rights, he was a Trinidadian-American political activist best known as a rising young community organizer in the civil rights movement. He is a national chairman of the Student Nonviolent Coordinating Committee (SNCC) in 1966 and 1967.

The answer is william henry harrison pursued and defeated british forces retreating into canada.

He would most likely post his laws in the city market