Color Bar Discrimination

What is the legislation he is talking about when he says “They passed in a law in ’64, to give those who ain’t got, a little more?” A law was passed in 1964, to prohibit discrimination in public places, the government and employment.
What does his reference to the “color bar” mean? His reference to color bar means, segregation during the civil rights movement in 1964 the law passed to give the blacks the same rights as whites.
How much progress has been made since 1964? Progress since 1964, has made the biggest difference to the lives of black people in America. Blacks now have equal rights just as much as the whites. It also gave black pupils the right to use any public facilities funded by the government, eg schools. It established the Equal