【多选题】When posted abroad, soldiers must understand ________.
A.
the potentially far-reaching effects of a single word or action in 4GW environments
B.
fighting would be to their disadvantage at the moral level although they most likely have a big advantage over the local enemies in terms of equipment and weapons
C.
a soldier who is killed will be required to avenge to death
D.
it is more important not to kill the wrong people than to kill armed opponents