More than five -
Libya, Egypt, Israel, Lebanon, Jordan, Syria, Turkey, Iraq, Iran, Afghanistan, Pakistan and parts of the Central Asian countries.
To make his people happy
He added today's Pakistan and Thrace, and finalised the system of government by provincial governors.
He established fleets of trading ships to supplement the slow and limited cargo transport on the road system.
He secured the borders, provided provincial government, internal and external security, and promoted trade and prosperity.
He appointed local tyrants to govern the Greek city-states, imposed a tax regime to finance the armies he maintained to enforce internal and external security, and appointed a Persian provincial governor to oversee this.
To make his people happy
It was based on 180 city-states in Asia Minor and the Islands which banded together against the Persian Empire under the leadership of Athens. When the Persian threat was resolved, opportunistic Athens converted it into an empire of its own.
He wanted to make his kingdom strong enough to defeat the mighty persian empire.
He looted initially, then when he took control of the Persian Empire, he taxed its cities, tribes and provinces.
As they are Muslims they have the Ramadan Eid. But some also make the Nowruz an old tradition from the Persian empire
No, there are 8 countries. They are Oman, UAE, Bahrain, Qatar, Saudi Arabia, Kuwait, Iraq and Iran.
The Persian Gulf and interior countries include Saudi Arabia, Bahrain, Kuwait, Oman, Qatar, the Untied Arab Emirates, Yemen, Iraq, Iran, and Afghanistan.
He progressively added all of the Middle East and Central Asia to the core of Persia-Media.
He added today's Pakistan and Thrace, and finalised the system of government by provincial governors.
Alexander's Empire extended to what is now India on the east. After his death, however, his empire got carved up by three of his more ambitious generals. Antigonus became king of Macedonia and took controlof the Greek city-states. Ptolemy seized Egypt. Seleucus took the majority of the old Persian Empire, which became known as the Seleucid kingdom.
He established fleets of trading ships to supplement the slow and limited cargo transport on the road system.
It maintained customary local government, with Persian provincial government, and central government by a king and his council. This was not new, following the models and improving on the predecessor Assyrian Empire and Babylonian Empire, however it succeeded in controlling and providing security and prosperity for a vastly larger area, stretching from today's Libys, through the Middle East, to Central Asia and Pakistan.