Answer:
The society was transformed into a society made of industrial workers and of fewer agricultural workers.
Explanation:
It led to new social tensions with unions and strikes for instance. Poverty became apparent in the cities. Society became more and more unequal as the rich got richer.
The sisters of charity helped during the civil war by tending to fallen soldiers, no matter what uniform they wore.
The correct answer should be the third one you listed. The "current drag" then is a device that is used in order to measure the sub-surface currents. This device and the measurements it provides are extremely important for the field of oceanography which studies the aspects of the oceans both the physical and the biological ones.
Well one, I learned that you shouldn't judge someone based on their race, ethnicity, and social structure. Also, your race, ethnicity, and social structure makes you who you are. Hope I helped!! :)