Question

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

Answer 1

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.

(hope this helps!)

Answer 2

d

Step-by-step explanation:

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