Then in the 1950s, a churchman called Martin Luther King began to fight for the civil rights of black people. Groups of black people started to break the law, but not in a violent way. In 1955 in Montgomery, Alabama , A woman called Rosa Parrks bebame famous when she refused to give her seat on a bus to a white man. Then more black people refused to use the buses, and the bus companies lost a lot of money. Black people also started to go into ‘whites only’ restaurants.