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.
The Industrial Revolution had a huge impact on society. The major effects were socially and economically. It is rather difficult to date the start of the industrial revolution but history books of today suggest the onset during the 18th century.
The change from agriculture to industry was vast and it must be remembered that England was the first country to undergo this profound change. The initial effect on engineering industries arising at the start of the Industrial Revolution were due partly to the geographical location of the resources i.e. coal iron and water. The inventiveness of our ancestors in these as well as other industries such as textiles chemical electrical and transportation contributed greatly to the Industrial Revolution.
When citizens are unhappy with a specificpiece of legislation they want removed or struck down, they can call a referendum, which puts the issue to a direct vote by the citizens.
Religious beliefs and practices, geography around Nile River and the creation of the Rosetta Stone, contributed significantly to the Egyptian security and stability. The only statement that did not contribute the the Egyptian's security and stability is the regular flooding of the Nile River.
The answer would be letter D.
It allowed the Sherman Antitrust Act to affect and preempt a state law under congress jurisdiction,and subjected to the conclusion of a two-step examination, as set forth by the Supreme Court in the Rice vs. Norman Williams Company case.
