The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.
Answer: The spread of Christianity was made a lot easier by the efficiency of the Roman Empire, but its principles were sometimes misunderstood and membership of the sect could be dangerous. Although Jesus had died, his message had not. Word of his teachings spread to Jewish communities across the empire.
Explanation:
Answer:
<u>Privatization:</u> The transfer of ownership, property or business from the government to the private sector is termed privatization. The government ceases to be the owner of the entity or business. The process in which a publicly-traded company is taken over by a few people.
<u>Why have some governments used it?</u>
There are numerous reasons why governments turn to privatization. Cost reduction is one motivation for privatization. The desire to transfer risk from the public sector to the private sector can lead to privatization. Another rationale for privatization could be as a new source of revenue.
I hoped this helped. Have a great day!!
