The answer would be mass production
I believe people had a really hard time comprehending the events that took place because it was so horrible it couldn'tbe real. people didn't want to believe that people could do that to other living beings. when Americans first heard about it they thought it was dramatic because how would it come to that, it took going through the concentration camps to believe it.
The answer is true.
Explanation is that I just learned about this topic last week and passed the test with this question on it.
I think it’s the printing revolution over the agricultural revolution
Answer:
Explanation:
The second industrial revolution changed the industry and trade of Europe in many ways. It changed the conditions under which the workers did their work. The factories centralized work in buildings that were made with one purpose in mind. Products were made differently because of the assembly line so the time when one worker did something from beginning to end was gone. And many craftsmen were replaced by machines of many sorts.