Thank you for posting your question here at brainly. Based on the choices provided above the answer is "Businesses did not violate the law once it was in place." The main reason why so few violations of the Sherman Antitrust Act were brought to court was because the government was slightly corrupt, with some people in charge of prosecuting these cases "in bed" with those breaking the law.
Steam engines
factories
new technology/machines
It is easy to tell why events happen and Historians use clues to piece together events.
The silk road, I do believe. lolol