What was the major impact of Alexander the Great on Western Civilization?

Alexander
III of Macedon (356 BC €“323 BC),
usually called Alexander the Great, was the son of Phillip II
of Macedon and
succeeded his father on the Macedonian throne in 336 BC after eliminating
rival
claimants to the throne.

King Philip, with the help
of his son Alexander who
was a precociously skilled military commander,
expanded Macedonia from a small barbarian kingdom
to the north of Greece by
conquest. Greece had consisted of many warring city states and Philip

presented himself not just as a conqueror but also a savior and unifier of Greece and
a
legitimate Hellenic king. Alexander was...