It depends.
Some people study history to learn about the past, others study history because it's interesting, and some study it to learn from past mistakes.
C the decline in ethnics and morality in the suburbs
The period that followed Alexander the Great is the Hellenistic Period.
the speaker of the house does not have to be an elected member of the house of reresentitives and because the speaker is next to become president it has more power than the president of the senate