Fill in the blanks using appropriate forms of the words given in brackets from the choices given below them. The political ____ is the oldest approach to global politics (real)

Explanation: Realism (appropriate form of the word): In this context, "realism" is used to describe a political approach based on practical considerations and actual events.   Options:   (a) Realise: This is a verb form and doesn't fit the sentence structure. The sentence needs a noun form. (b) Real: This is an adjective form, and while it is related to the word in the sentence, the sentence requires a noun form to complete the phrase. (c) Realism: This is the correct noun form that fits the sentence structure and meaning. (d) Really: This is an adverb and doesn't fit the sentence structure.