By the late 1960s, the bulk of the American public accepted the end of segregation and the guarantee of voting rights for African Americans. How can we see this as a fulfillment of ideas proposed by Progressives earlier in the century?

By the late 1960s, the bulk of the American public accepted the end of segregation and the guarantee of voting rights for African Americans. How can we see this as a fulfillment of ideas proposed by Progressives earlier in the century?