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
Political warfare in British colonial India required replacing of pre-existing political institutions and replacing them with centralised, territory-wide, and bureaucratic legal-administrative institutions that were controlled by colonial officials. Indirect rule was a form of colonial domination via collaboration with indigenous intermediaries who controlled regional political institutions. Colonial India was a mix of the two types of rule. While the Civil Service ran a large portion of the country, "in peripheral regions, chiefs, princes, sultans, and other indigenous leaders controlled "customary" legal-administrative institutions that were organised along patrimonial lines." Leading colonial officials believed indirect rule was more adaptive and culturally sensitive, far superior to direct rule, in