The Bengal Subah (Bengali: সুবাহ বাংলা; Persian: صوبه بنگاله), also referred to as Mughal Bengal (Bengali: মোগল বাংলা), was the largest subdivision of the Mughal Empire (and later an independent state under the Nawabs of Bengal) encompassing much of the Bengal region, which includes modern Bangladesh and the Indian state of West Bengal, Indian state of Bihar, Jharkhand, Odissa between the 16th and 18th centuries. The state was established following the dissolution of the Bengal Sultanate, a major trading nation in the world, when the region was absorbed into one of the gunpowder empires. Bengal was the wealthiest region in the Indian subcontinent, due to their thriving merchants, Seth's, Bankers and traders and its proto-industrial economy showed signs of driving an Industrial revolution.