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
Company rule in India the corruption and irresponsibility of Company officials or "nabobs" who made vast fortunes in a few years. Pitt's India Act of 1784 gave the British government effective control of the private company for the first time. The new policies were designed for an elite civil service career that minimized temptations for corruption. Increasingly Company officials lived in separate compounds according to British standards. The Company's rule lasted until 1858, when, after the Indian rebellion of 1857, it was abolished. With the Government of India Act 1858, the British government assumed the task of directly administering India in the new British