Answer:
Steam-powered trains.
Explanation: Railroads provided the most dramatic transportation growth during the 1800s. They facilitated the movement of people, goods, and information, decreased shipping costs and time, and strengthened the links between the Old Northwest and the East.
Answer:
Slave catchers are trying to catch the slaves, hence the name. The 'conductors' are trying to free the slaves.
Explanation:
There were no options, so I think this is free response. Brainliest if I helped, please. Thanks.