The correct answer is: b) Industrialists.
British policies led to the rise of a new class of industrialists. The British government provided subsidies and other forms of assistance to businesses, which helped to create a favorable environment for industrialization. In addition, the British government invested in education and infrastructure, which helped to create a skilled workforce and a well-developed transportation system. These factors all contributed to the rise of a new class of industrialists in Britain.
Landowning elites were already a powerful class in Britain before the Industrial Revolution. They owned most of the land and controlled most of the wealth. The Industrial Revolution did not significantly change the power of the landowning elites.
Merchants were also a powerful class in Britain before the Industrial Revolution. They controlled trade and commerce. The Industrial Revolution did not significantly change the power of the merchants.
Priests were not a powerful class in Britain before the Industrial Revolution. They were not involved in politics or business. The Industrial Revolution did not change the power of the priests.