A. A historian who organizes the past by region focuses on a specific start and end date, whereas a historian who organizes the past by period focuses on the most influential individuals.
Explanation:
To the extent that history is continuous and inapplicable, all systems of periodization are additional or less impulsive. However without named periods, but clumsy or inaccurate, the diversion would be nothing but dispersed events without a structure to assist people to perceive them
