The answer is A. They were taken as slaves. Many suffered and died from malnutrition.
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You didn’t show the image for the question
I think the answer is true
i believe its the 4th answer
D- soldiers died both from new weapons and medical conditions.- the trenches were terrible and very unsanitary, many soldiers died from being in a trench and then they were just left there rotting.
And B- machine guns- Were invented firing the civil war