Northeast India when they became relatively isolated from traditional trading partners such as Bhutan and Myanmar. Many of the peoples in present-day Mizoram, Meghalaya and Nagaland converted to Christianity under the influence of British (Welsh) missionaries. In the early 19th century, both the Ahom and the Manipur kingdoms fell to a Burmese invasion. The ensuing First Anglo-Burmese War resulted in the entire region coming under British control. In the colonial period (1826–1947), North East India was made a part of Bengal Province from 1839 to 1873, when Assam became its own province. After Indian Independence from British Rule in 1947, the Northeastern
Indirect rule Subject) of domination by a tiny group of foreigners of huge populations is laid out in Lugard's influential work, "The Dual Mandate in British Tropical Africa". The largest application of Indirect rule was in British Asia, in hundreds of pre-colonial states, first seen at work under the East India Company's system of subsidiary alliances in the Indian subcontinent. The areas thus brought into the British sphere of influence became known as the Indian Princely States. Subsequently, the same principle was applied in strategic regions on the sea routes to India, especially in the Persian Gulf protected states. In the British