Answer:
Hasty prison camps were set up. The Confederacy could barely feed it own soldiers let alone thousands of prisoners. Living conditions were crowded, there was little food or medicine, disease was common and thousands died. The Confederate camp at Andersonville in Florida was particularly appalling.
On both sides there was no suitable housing, prisoners were put in tents and when they ran out, then nothing at all regardless of the weather. Prison officials were occasionally vindictive but generally conditions were bad enough that may died of neglect.
Step-by-step explanation: