The main industry would be St. Petersburg
the 19th century and the beginning of factories, railroads, and assembly lines. Many people saw the benefits of industry--new careers, faster ways of making products, and easier transport of goods across the country. Other people saw the disadvantages--pollution, tradesmen being replaced by factories, and low-quality goods.
The Lorax by Dr. Seuss is such a great example of both points of view, and children can often learn better from an entertaining picture book than a social studies text at any age. The Lorax stands for the view of the environmentalist, and the Once-ler is all about industry, money, and making his thneeds. You can use The Lorax to introduce the Industrial Revolution to students.
What do you mean the sounds of words in Malay? Please do not speak Malay so people can understand better.
His set of laws were called the Napoleonic Code.