Elisha Otis is best known for inventing a safety device that prevents elevators from falling if the hoisting cable falls. He equally founded the Otis Elevator Company.
Answer: D. Fads last for a relatively short time, and trends often result in societal change
Explanation: A P E X, I just took the test
Costs of products also decreased because of railroads Population increased because food was available in a large variety at a low cost. The entire Industrial Revolution was altered because of these accomplishments. Factories flourished because the demand for railroad parts and railroad tracks was very high.