Final answer:
Textile mills and steamships were industries that developed on the water in the 18th century.
Step-by-step explanation:
By the 18th century, several industries had developed on the water. Textile mills in Scotland and New England used water power to operate their machines. These mills played a significant role in the cotton industry and were powered by rivers. Additionally, the development of steamships in the early 1800s revolutionized water transportation, making it faster and more reliable.