Complex sentence: As time passes, the POW's are not given food due to postwar shortages, and several of the boys begin to suffer from malnourishment, and Wilhelm's arms are blown off when he vomits on a landmine, and he dies in a field hospital.
Split into simpler sentences: As time passes, the POW's are not given food due to postwar shortages, and several of the boys begin to suffer from malnourishment. As a result, Wilhelm's arms are blown off when he vomits on a landmine, and he dies in a field hospital.