"Kashmir is an inseparable part of India and China cannot question that position." http://news.bbc.co.uk/2/hi/south_asia/8285106.stm
Until the mid-19th century, the term "Kashmir" referred only to the valley lying between the Great Himalayas and the Pir Panjal range since then, it has been used for a larger area that today includes the Indian administered state of Jammu and Kashmir consisting of the Kashmir valley." What seems to be the problem for these people travelling across the borders? Can you draw any co-relation between that and US border problems?