What territories did Alexander the Great conquer? How did the civilization of Ancient Greece differ

What territories did Alexander the Great conquer? How did the civilization of Ancient Greece differ from the civilization of the Ancient East?

Alexander the Great was able to conquer vast territories from the Mediterranean Sea to the Indus River. So during the period of his military campaign, the lands were conquered: Egypt, Asia Minor, Mesopotamia, as well as the territory of Central Asia.

Greece differed from the eastern states in that it consisted of policies. Also, the eastern states were despotic. At the same time, different forms of government existed in Greece, from monarchy and oligarchy to democracy.