Are yams and sweet potatoes the same?
The rapid industrial growth that began in England during the middle of the eighteenth century and then spread over the next 50 years to many other countries, including the United States. The revolution depended on devices such as the steam engine (see James Watt), which were invented at a rapidly increasing rate during the period. The Industrial Revolution brought on a rapid concentration of people in cities and changed the nature of work for many people. (See Luddites.)