what are the moral differences between killing for ones countries and killing for one self

killing for ones country are is a permisablee voilence.  permisable  violence like killing for ones country is ok beacuse it may be helping or saving lives oof alot more people .  impermisble vilonces is bad  beacuse its just for selfish reosons . for example mac beth killed the king so he could rule thats just a selfish reoson.