 Complete the following phrase:  The opium factory located in the city was established by the British and continues to be a major source of opium production in India. It is known as the Opium Factory Ghazipur or, more formally, the Government Opium and Alkaloid Works. It is the largest factory of its kind in the country and indeed the world. The factory was initially run by the East India Company and was used by the British during the 