It is generally considered that systematic organizational studies began as an academic discipline, after the Industrial Revolution which took place firstly in Great Britain during the late 1700s and early 1800s. This is the first milestone for Organizational Behavior. Major transitions in terms of economic and technical conditions occurred with the Industrial Revolution which developed nations to an industrial society from an agricultural society. The transitions were mainly due to the use of steam as a power instead of human or animal power, and the invention and adoption of machines used for production instead of hand-made products. The correct answer is Choice C.