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
Indian Civil Service (British India) State for India, and 3 central departments under joint Provincial and Imperial Control. The finances of India under British rule depended largely on land taxes, and these became problematic in the 1930s. Epstein argues that after 1919 it became harder and harder to collect the land revenue. The suppression of civil disobedience by the British after 1934 temporarily increased the power of the revenue agents, but after 1937 they were forced by the new Congress-controlled provincial governments to hand back confiscated land. The outbreak of the Second World War strengthened them again, but in the face of the Quit India