<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that violations of the Sherman Antitrust Act were rarely prosecuted, since it was often hard to the prosecutors to prove there was any wrong-doing. </span></span>
because the united states congress has been given the power to regulate interstate commerce, the states are limited in their ability to regulate or tax such commerce between them.