Was a movement in which machines changed peoples way of life as their methods of manufacture (making things) that began in England. People began to use machines to make cloth and steam engines to run machines. Causes of the Industrial Revolution Invented machines to do the work of hand tools, the use of steam instead of muscle of humans beings or animals was use, and the adoption of the factory system. The effects of the industrial revolution were social classes, harsh working conditions, and life in cities changed. Important to world history because the Industrial revolution was the starting of machines.