Final answer:
Cotton was the most important crop exported from India to English textile mills, fueling the growth of the textile industry during the Industrial Revolution.
Step-by-step explanation:
The crop that the British exported from India that was most important to English textile mills was cotton. Cotton was a vital raw material for the textile industry, as it was used to produce the fibers needed for spinning and weaving fabrics.
During the Industrial Revolution, the demand for cotton grew significantly in Britain, and India became a major source of cotton for British mills. The British East India Company controlled much of the cotton trade and exported large quantities of Indian cotton to fuel the textile industry.
This reliance on Indian cotton eventually led to the development of the mechanized textile industry in Manchester, England, and played a crucial role in the growth of Britain's industrial economy.
Learn more about Cotton and its importance to English textile mills