Combining Texts

You have chosen 'Critique of the Gotha Program' by Karl Marx, '06: Romans' by St Paul and 'Outline of a System of Utilitarianism' by J.J.C. Smart

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All the ideas for Natural Theory, or select a subheading:
      A. Speculations on Nature
      B. Natural Kinds
      C. Causation
      D. Laws of Nature