sentences:  The Supreme Court added a further decision upholding the law in its next term in a case involving a North Carolina statute requiring railroads to maintain records of liquor shipments and recipients.The Webb–Kenyon Act became irrelevant with the adoption of national prohibition under the Eighteenth Amendment to the United States Constitution and the Volstead Act.With the movement to repeal prohibition by the adoption of the Twenty-first Amendment to the United States Constitution, the question of the Act's validity and enforcement became a political and policy issue once again.