 Bodin, Jean |  contractarianism |  cosmopolitanism |  ethics: natural law tradition |  German Philosophy: in the 18th century, prior to Kant |  Grotius, Hugo |  Hobbes, Thomas |  Hobbes, Thomas: moral and political philosophy |  legal obligation and authority |  Leibniz, Gottfried Wilhelm: ethics |  Locke, John: political philosophy |  nature of law |  political philosophy: medieval |  Scottish Philosophy: in the 18th Century |  sovereignty |  voluntarism, theological |  Wolff, Christian 