Correct option is B
The Correct Answer is: (b). A-IV, B-III, C-I, D-II.
Factsheet: Thinkers & IR Approaches
| List I (IR Approach / School of Thought) | List II (Associated Thinker) | Key Concept / Famous Work |
| A. Realism | IV. Kenneth Waltz | Structural Realism (Neorealism), Theory of International Politics (1979) |
| B. Liberalism | III. M. Doyle | Democratic Peace Theory, Liberalism and World Politics (1986) |
| C. Communitarianism | I. Andrew Linklater | Critical Theory in IR, Citizenship & Political Community, |
| D. Structuralism | II. Raul Prebisch | Dependency Theory, Center-Periphery Model, Prebisch-Singer Hypothesis |
Quick Exam Takeaways
• Kenneth Waltz: Introduced Neorealism (Defensive Realism); focused on the anarchic structure of the international system rather than human nature.
• Michael Doyle: Built upon Immanuel Kant's ideas to formulate Democratic Peace Theory (democracies do not go to war with each other).
• Andrew Linklater: Associated with the Frankfurt School / Critical Theory in IR; advocates for cosmopolitan democracy and unconstrained dialogue.
• Raúl Prebisch: Argentine economist key to Structuralism and Dependency Theory; developed the Singer-Prebisch thesis on terms of trade for developing countries.