Solution:Statements (A), (B), (C) and (D) are correct regarding historiography.
(A) Leopold von Ranke's philosophy of history is full of paradoxes, it is difficult to reconcile his dictum that history should have the greatest possible objectivity with his view that 'God dwells in History'.
(B) It was Hegel and not Karl Marx who first expounded that the primary motive force of the historical process is human labour in society.
(C) Oswald Spengler's philosophy of history opens with a vehement attack on the European periodizationof history into anicient, medieval and modern. (D) In the opininon of R.G. Collingwood, "all history is the history of ideas".