Final answer:
Francis Cabot Lowell's founding of the first integrated textile mill in Waltham, Massachusetts, is a true historical fact that marked a significant development in the industrialization of America.
Step-by-step explanation:
The statement that Francis Cabot Lowell built the first integrated textile mill in New England is true. Lowell established the Boston Manufacturing Company in Waltham, Massachusetts, in 1813. This mill was indeed the first to combine all the processes of textile production under one roof, which was revolutionary for the time and led to significant developments in the industrialization of the United States.