Answer:
b. agricultural revolution
Step-by-step explanation:
Agricultural revolution spanned across different time frames. The first agricultural revolution happened in the Neolithic era
H
The Agricultural Revolution featured a significant rise in production of agricultural production because of an increase in labor and land availability in the 17th century. This agricultural revolution took place over different periods of time
The Norfolk four-course rotation was an important innovation that aided the Agricultural Revolution as it increased yield in the farm by enhancing quality of the soil through the practise of crop rotation.
This type of rotation helped to restore fertility of the soil and increase nutrients.