Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
Generally speaking, Wordsworth's early poems do not yet reflect his ultimate "<span>disillusionment with the outcome of the French Revolution", since this hadn't taken place yet.</span>
Answer:
Austro-Hungry declared war on Serbian and Entangled alliances which brought everybody else into the war
Explanation:
They were treated like they didnt mean anything to anyone because they were slaves. If you were a slave you were treated like an animal. There was a woman named Harriet Tubman and she risked her life over and over again trying to help slaves escape.