Do you honestly expect the USA.to abide by the Geneva convection?

In april/may 1945.German POW's.interned in rhine meadows camps.slept in holes in the ground,no tents;toilets;low food rations.18,100.died.in first few months.in total resulted in 50,000.german prisinors of war dead.!!!there were murders of surrenderd german troops on the field of battle.So have morals improved within the USA.military administration?61 years later!!!!