Final answer:
The author included information about the agricultural revolution to explain its contribution to industrial advancements and society as a whole.
Step-by-step explanation:
The author included information about the agricultural revolution in order to explain how it contributed to the overall progress of society, particularly in terms of industrial advancements. The agricultural revolution brought about improvements in farming techniques, technology, and agricultural productivity, which in turn led to an increase in food production and surplus. This surplus allowed for the growth of urban markets and the development of industries that further advanced agricultural production worldwide.