evidence: Victory and the occupation of the Kathmandu Valley by Prithvi Narayan Shah, starting with the Battle of Kirtipur, resulted in the shift of the capital of his kingdom from Gorkha to Kathmandu, and the empire that he and his descendants built then came to be known as Nepal. Also, the invasion of the wealthy Kathmandu Valley provided the Gorkha army with economic support for furthering their martial ambitions throughout the region. To the north, however, aggressive raids into Tibet over a long-standing dispute over trade and control of the mountain passes triggered Chinese intervention. In 1792, the Chinese Qianlong Emperor sent an army that expelled the Nepalese from Tibet to within 5 kilometres (3.1 mi) of their capital, Kathmandu. Acting Regent Bahadur Shah (Prithvi Naryan's younger son) appealed to the British Governor-General of India for help. Anxious to avoid a confrontation with the Chinese, the Governor-General did not send troops but sent Captain Kirkpatrick as mediator. However, before he arrived the war with China had finished. [...] ...The territory subject to Nepal consists of a mountainous tract of country, lying between Tibet and the valley of the Ganges, in breadth not exceeding one hundred miles, but in length stretching nearly along the whole extent of the north-west frontier of the British dominions. Below the hills they held possession of a portion of the plain of irregular width, distinguished by the name of the Nepal Turrye,[34] but the period at which the acquisition was made is not ascertained.