9. C
10. C
11. A I believe
12. D
United States train travel had changed dramatically by this time, since the transcontinental railroad had been completed, which stretched all the way from the Atlantic to the Pacific.
Answer:
nobility, clergy, peasantry,
Explanation:
i'm not 100% sure i just searched it up
The Industrial Revolution transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. New machines, new power sources, and new ways of organizing work made existing industries more productive and efficient