Which of the following historians has organized her study of the past based
on the category "region"?
O
A. A historian creates a graph of the economic strength of various
empires throughout history.
O
B. A historian studies each of the major world powers between the
years 100 BCE and 100 CE.
C. A historian assesses a number of primary source documents to
create a new secondary source.
D. A historian writes an extensive text on the important contributions
of Southeast Asian countries.