In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the
given blank out of the four alternatives.
All this suggests the intimate relations which exist between history, politics, and sociology. The_________ thing, however, is not the identities but the distinctions. For, however much the
______ disciplines may, in practice, overlap, it is necessary ______ the sake of clear thinking to have their limits defined. As far _______ sociology and history are concerned the differences may be summed up in a word. _______ history and sociology are concerned with the life of man as man.