How did General MacArthur and Miss Claythorne justify their roles in others deaths? Do you think they felt any guilt? Why ior Why not?

Macarthur is a retired World War I general who is accused of sending a man with whom his wife is having an affair into battle so that he will be killed. He feels no guilt at all. He justifies it as being war and bad things happen. Vera caused the death of a young child who drowned and lost the true love of her life, Hugo, over the incident. Vera eventually hangs herself.