How does organizing the past by period differ from organizing the past theme

A historian who organizes the past by region focuses on a big idea that occurs across history, whereas a historian who organizes the past by period focuses on a specific area of the world

i think that the best option for this question is

d)to persuade readers that a prince must eradicate the royal family of a conquered principality.

i hope this .

what was your story about? i remember this from my language arts class in flvs! i had ms. rosemeyer.