Which of the following factors are responsible for the decline of political theory? (i) Historicism…

David Easton (in The Political System, 1953) and Dante Germino identified historicism, logical positivism, moral relativism, and hyperfactualism (excessive collection of raw empirical facts detached from theoretical frameworks) as the major factors responsible for the mid-twentieth-century decline of normative political theory. Thus, (i), (ii), (iii) and (iv) are all correct.