Detailed Explanation:

Answer: Option 3 — Only three pairs

This question tests knowledge of recent international developments. Out of the four pairs, three are correctly matched while the first pair about Chad is incorrect as China has not established a permanent military base there.

✅ Pair 1 – Incorrect: China has not set up any permanent military base in Chad. China's only overseas military base is in Djibouti.

✅ Pair 2 – Correct: Guinea witnessed a military coup in September 2021 where special forces captured President Alpha Conde and suspended the constitution and dissolved the government.

✅ Pair 3 – Correct: Lebanon has been experiencing a severe and prolonged economic depression since 2019, caused by political instability, corruption, and lack of reforms, affecting approximately 74% of the population.

✅ Pair 4 – Correct: Tunisian President Kais Saied suspended parliament in July 2021 and later dissolved it in March 2022 after lawmakers held an online session to repeal his decrees, which he termed a failed coup attempt.