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 :)
Because he worked assiduously to look like something he was not, he wanted to have the image of a simple and humble farmer, but in reality his family was very wealthy. His greatest support was the rural community of Georgia to whom he spoke of values, of growing economy for the small farmer, segregation and low taxes, which won the majority of votes.
Ulysses Grant (born 1822- died 1885) commanded the victorious Union army during the American Civil War 1861-1865 and served as the 18th U.S. president from 1869 to 1877. Also he was born in Ohio and fought in the “Mexican-American” War from 1846-1848