Based on the options given, the answer is a. leave them alone. Laissez-faire means leaving the people on the task and letting them perform on their own. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer:
Transportation and the ability for factories to be located anywhere
Explanation:
The steam engine allowed for people to travel farther faster and well as gave factories the ability to be located anywhere and not near the source of water to get supplies.