Monopoly: Exclusive control of a commodity or service in a particular market, or a control that makes possible the manipulation of prices. The British East India Company held monopoly over tea trade.
Opium Wars: Two wars in the mid-19th century involving Anglo-Chinese disputes over British trade in China (including opium) and China’s sovereignty. The disputes included quarrels over how Britain's massive trade deficit with Qing dynasty China could be rectified.
Sepoy Mutiny: A violent and very bloody uprising against British rule in India in 1857 led by Indian soldiers serving in the army of the British East India Company.