Answer:
Rail is a reliable shipping method on land and it's environmentally-friendly. You can ship machinery or even perishable goods by rail because it's fast and efficient. There are schedules and reliable delivery times, so you'll know when your goods are expected to arrive at their destination.
Answer: Well even though there are no answer choices, I do believe the answer to this question is the compromise of 1850.
Explanation: I do remember learning upon this topic and i remember answering a similar question. I hope this helps you :)
The North didn’t believe in slavery and the south did. The constitution divided them because they both believed in different things. In the South there was more plantations so they needed slaves to keep up the production when the North was cold and didn’t need much help on plantations.