Read the passage given below carefully and answer the questions that follow:
Two developments strained this relationship. China annexed Tibet in 1950 and thus, removed a historical buffer between the two countries. Initially, the government of India did not oppose this openly. But as more information came in about the suppression of Tibetan culture, the Indian government grew uneasy. The Tibetan spiritual leader, the Dalai Lama, sought and obtained political asylum in India in 1959. China alleged that the government of India was allowing anti-China activities to take place from within India.
(i) What is meant by ‘historical buffer’?
(ii) Why didn’t the government of India oppose the annexation of Tibet by China?
(iii) How far was if”justified on the part of India to grant political asylum to the Dalai Lama and thousands of Tibetan refuges?