Answer:
Option: A. It was caused primarily by the presence of tainted water in the camps.
C. It was the single greatest killer of soldiers during the war.
Step-by-step explanation:
Diseases were one of the reasons that led to the death of soldiers on both sides during the Civil War. Internal complaints such as dysentery claimed many lives. It is estimated that the disease killed around 45,000 in the Union army and 50,000 in the Confederate army. The reason behind it spread rapidly through the lack of sanitation and contaminated water.