Which is not an effective organizing principle for the study of history?
a. eras
b. major time periods
c. topics
d. wars
e. year-by-year accounts

d

Explanation:

long periods of time occur in between and important events may happen during these times

E. year-by-year accounts, as it would become too much information that would take up too much time if you studied every year of history in detail.

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The culture of Asia encompasses the collective and diverse customs and traditions of art,  Ethnic and linguistic similarities, shared artistic traditions, written language and  Some of defining East Asian cultural characteristics are the Chinese  in the two most populous countries of Asia, two dramatically different political  

Explanation: