Cottonopolis is a word that was used to describe the city of Manchester during the 19th century. At that time, Manchester was the most important city for the production of cotton in the world!
Cotton is a soft and fluffy material that is grown in warm countries. It was then shipped to Manchester where it was turned into clothes and other things.
At that time, people wanted more clothes and things made of cotton. This meant that there was a high demand for cotton products. Manchester had many factories and machines to help make cotton products more efficiently. The people who worked in these factories were called workers or laborers.
The people who owned the factories were called mill owners. They made a lot of money because they were able to produce a lot of cotton products quickly and sell them to people all over the world.
The word Cottonopolis became popular because Manchester was the center for the production of cotton products. Everyone knew that if you needed cotton products, you would have to go to Manchester.