Stagilation is a good thing
Answer: D) Companies replaced hand-operated brakes with air brakes on trains.
Answer:
Even in good times wages were low, hours long and working conditions hazardous. Little of the wealth which the growth of the nation had generated went to its workers.
Explanation:
The life of a 19th-century American industrial worker was far from easy.
True, because they are some of the most high ranks in the church
