Answer:
maybe A
if this is wrong then sorry
Answer: The correct answer is A.
Explanation: a) Both focused on the rail road industry. The purpose of Interstate Commerce Act and the Sherman Anti-trust Act is to set guidelines on how the railroad companies could do business. They have the same purpose. The Act became a Law which demanded "just and reasonable" rates; prohibited favoritism in rates for shippers or products, prohibited special rates for individual shippers, prohibited pooling of traffic and established an Interstate Commerce commission.
Exist in large numbers or amounts
Allusion is the type of figurative language used here, I believe.