morality of groups

Niebuhr turned the social gospelers’ view on its head or on its feet – whichever Marxian analogy you like – and argued that in fact there was a disjuncture between the morality of individuals and the morality of groups. And the latter – the morality of groups – that morality was generally inferior to the morality of individuals. - Obama’s Favorite Theologian? A Short Course on Reinhold Niebuhr

see also Raymond Aron

and As of yet, there is no clear consensus among biologists regarding the importance of group selection. - Wiki

Peace and War: A Theory of International Relations