 In other, more chilling cases, they were ordered simply to kill a specified number of Jews in a given town or area.In one instance, the commander of the unit gave his men the choice of opting out of this duty if they found it too unpleasant; the majority chose not to exercise that option, resulting in fewer than 15 men out of a battalion of 500 opting out.Browning argued that the men of Unit 101 agreed willingly to participate in massacres out of a basic obedience to authority and peer pressure, not blood-lust or primal hatred.