Complex sentence: While most citizens living near camps accepted the prisoners' presence the government received hundreds of letters each week demanding that the POWs be immediately killed, an understandable sentiment given the regular casualty lists in American newspapers.
Split into simpler sentences: While most citizens living near camps accepted the prisoners' presence the government received hundreds of letters each week protesting their treatment. Many demanded that the POWs be immediately killed, an understandable sentiment given the regular casualty lists in American newspapers.