Which of the following historians has organized her study of the past based on the category "theme"?
a. a historian writes an extensive text on the important contributions of southeast asian countries.
b. a historian assesses a number of primary source documents to create a new secondary source.
c. a historian creates a graph of the economic strength of various empires throughout history.
d. a historian studies each of the major world powers between the years 100 bce and 100 ce.

The correct answer is C) A historian creates a graph of the economic strength of various empires throughout history.

The historian that has organized her study of the past based on the category "theme" is "A historian creates a graph of the economic strength of various empires throughout history."

To do this the historian has to prepare correct and deep research using proper and valid primary and secondary resources in order to develop her essay and support her arguments. She needs to include valid data and support it with facts, testimonies, statistics, audios, and videos to present indisputable evidence.

there is no image, therefore i cant you. next time remember to include an image or answer choice