Why clear demarcation of LAC is a prerequisite to ensure India and China border peace

It is important to understand how the northern border of India has been delineated. From the end of the 19th century, the main factor for fixing a boundary in the Himalaya, in particular with Tibet, India's northern neighbour, has been the watershed principle. During the Simla Conference in 1913-14, Sir Henry McMahon, India's foreign Secretary and Lonchen Shatra, the Tibetan Prime Minister representing the 13th Dalai Lama, agreed to define the border between their nations; they signed, with seals, a map, today known as the 'McMahon Line', though ideally it should be the 'McMahon-Shatra Line'. It should be noted that…