Describe the history of legalized racial discrimination in the United States between the end of the Civil War and the Civil Rights Movement of the 1950s and 1960s.What were the Thirteenth,Fourteenth and Fifteenth Amendments intended to accomplish,and how did the Supreme Court justices limit civil rights protections in the late nineteenth century?

There are two components to this question.
a.Thirteenth,Fourteenth,and Fifteenth Amendments: The Thirteenth Amendment abolished slavery.The Fourteenth Amendment guaranteed equal protection under the law.The Fifteenth Amendment guaranteed voting rights for black men.
b.Supreme Court limits during the nineteenth century: Resistance to equality for African Americans in the South led Congress to adopt the Civil Rights Act of 1875,which attempted to protect blacks from discrimination by proprietors of hotels,theaters,and other public accommodations.However,the Supreme Court declared the Civil Rights Act of 1875 unconstitutional on the grounds that it sought to protect blacks against discrimination by private businesses,while the Fourteenth Amendment,according to the Court's interpretation,was intended to protect individuals only from discrimination that arose from actions by public officials of state and local governments.In Plessy v.Ferguson,the Supreme Court went further and held that the Fourteenth Amendment's equal protection clause was not violated by racial distinction as long as the facilities were equal,thus establishing the "separate but equal" rule.