The Alvars and Nayanars were early medieval poet-saints devoted respectively to whom?

Among the four alternatives, Vishnu and Shiva alone satisfies the full historical condition. The Tamil Alvars expressed devotion to Vishnu, while the Nayanars praised Shiva; their hymns helped shape influential southern bhakti traditions. Bhakti and Sufi traditions were diverse rather than a single uniform movement. Region, language, chosen deity, institutional setting and attitude to ritual help distinguish one saint or order from another. The distractors need separate rejection: Surya and Ganesha belongs to a different institution, context or chronology; Shiva and Vishnu does not perform the function described in the stem; and Buddha and Mahavira fails the required association. The wording of “The Alvars and Nayanars were early medieval poet-saints devoted respectively to whom?” is deliberately specific, so the candidate should isolate its operative clue before recalling names. A useful method is to construct a two-step link from the tested term to its function and then from that function to the relevant ruler, text, monument or region. The fact is significant beyond one MCQ because it reveals how medieval institutions worked in practice and how historians classify the surviving evidence. — Vishnu and Shiva”, but also remember the factual reason stated above.