In the study of history, what is one major difference between a region and a
period?
O
A. A region can be studied over long spans of time, but a period
applies to a specific time span.
O
B. A region can deal with many different themes, but a period deals
with one specific theme.
C. A region can be studied only in the modern era, but a period can
be studied in any era,
O
D. A region is not influenced by different historical turning points, but
a period is
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