Since there exist societies of societies and systems of systems, the general structure of environment takes the form of a hierarchy. (religion-online.org)
There was constant pressure from within and without the Churches to eulogize everything in American life and to decry all criticism of existing society. (religion-online.org)
Many liberation theologians have quoted the opening sentence in the Communist Manifesto «The history of all hitherto existing society is the history of class struggle». (religion-online.org)