The laws also began to establish “separate but equal” economic, educational and social policies that would discriminate against this race for years to come. Students will study segregation and Jim Crow laws, and the effect that they had on African Americans in Virginia after the Civil War and beyond.Segregation refers to the policy of keeping black and white Americans separate from one another. In 1875, the Enforcement Act, or the Civil Rights Act of 1875 was passed by 'Radical Republicans' in an effort to end Jim Crow laws. However, it was declared unconstitutional by the Supreme Court within a few years.