Answer:
C.
an increased air of respectability
Explanation:
Correct answer edge 2020
Technological innovations during this time in the United States primarily had negative impacts on factory workers since they introduced very dangerous working conditions, and positive impacts on middle-class urban residents since their income increased (in general).
The answer should be:
Animal & human power were generally replaced with steam power.
I believe its japan because they didn't officially sign anything until they became the AXIS powers