The Blyew case set a precedent in state and federal courts that led to the erosion of Congress's Thirteenth Amendment powers. The Supreme Court continued along this path in the Slaughter-House Cases (1873), which upheld a state-sanctioned monopoly of white butchers. In United States v. Cruikshank (1876), the Court ignored Thirteenth Amendment dicta from a circuit court decision to exonerate perpetrators of the Colfax massacre and invalidate the Enforcement Act of 1870. thumb|John Marshall Harlan became known as "The Great Dissenter" for his minority opinions favoring powerful Thirteenth and Fourteenth Amendments.
The Blyew case set a precedent in state and federal courts that led to the erosion of Congress's Thirteenth Amendment powers. The Supreme Court continued along this path in the Slaughter-House Cases (1873), which upheld a state-sanctioned monopoly of white butchers. In United States v Cruikshank (1876) the Court ignored Thirteenth Amendment dicta from a circuit court decision to exonerate perpetrators of the Colfax massacre and invalidate the Enforcement Act of 1870. thumb|John Marshall Harlan became known as "The Great Dissenter" for his minority opinions favoring powerful Thirteenth and Fourteenth Amendments.