Name(s):
Moral dilemma
Incompatible moral values
Clash of moralities
Conflict of interest
Nature
Situations in which there are moral reasons in favour of two or more incompatible actions, especially where it is a difficult matter of individual judgement to decide between them.
Incidence
The sharpest and most obvious cases occur in war, but they are present in a lesser degree throughout life if only because time and resources devoted to furthering one end have to be taken from time and resources devoted to furthering another.