Congress passed both the interstate commerce act and the sherman antitrust act in response to

Congress claimed power to pass the Sherman Act through its constitutional authority to regulate interstate commerce. Therefore, federal courts only have jurisdiction to apply the Act to conduct that restrains or substantially affects either interstate commerce or trade within the District of Columbia.

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.