Answer:
They were left without a leader
Yes, the Second Industrial Revolution did differ from the first<span> in some important ways. ... The </span>Second Industrial Revolution<span> was about electricity and chemicals and petroleum and all the things that can be made and consumed using these. The</span>First<span> was about textiles and coal and iron. A worldwide economy.</span>
In the underground railroad, there were safe places that the slave hid and slept that were called "safe houses" or "stations". The slaves traveled in a couple set of routes with regular paths. The slaves hid and slept in stations during the day and then traveled at night, because the slaves owners were looking for them during the day, so the slaves would be safer if they hid and slept during the day.
Therefore the answer that you are looking for is,
All of the above.
I hope that this has satisfied you.
It effected companies to start opening again