which of the following best describes the conditions faced by soldiers during the civil war?

A: improved military technology meant that most soldiers died instantly of battlefield wounds
B: Poor conditions were made worse in that most soldiers were young men under the age of 21
C: food was bad and scarce but plentiful southern cotton was used to make clothes and shelter appropriate to the seasons
D: prisoners of war on both sides were generally treated well and released soon after a battle

B: Poor conditions were made worse in that most soldiers were young men under the age of 21