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
Colonial Nigeria had its own armed forces. This included a river fleet which it used for retaliatory attacks on uncooperative villages. Britain's imperialistic posture became more aggressive towards the end of the century. The appointment of Joseph Chamberlain as colonial secretary in 1895 especially marked a shift towards new territorial ambitions of the British Empire. Economically, local colonial administrators also pushed for the imposition of British colonial rule, believing that trade and taxation conducted in British pounds would prove far more lucrative than a barter trade which yielded only inconsistent customs duties. The British led a series of military campaigns to enlarge