Alexander the Great didn't conquer Italy. Neither did he conquer China.
Alexander the Great was the leader of the hellenistic period in Greece and contributed to the creation of one of the greatest empires at the time which was spanning all around from the Greek peninsula all the way to Mesopotamia.
Answer:
"Greeks created settlements along the Aegean coast of Ionia (or Asia Minor) from the 8th century BCE. Important colonies included Miletos, Ephesos, Smyrna, and Halikarnassos. Athens traditionally claimed to be the first colonizer in the region which was also of great interest to the Lydians and Persians."By google
I know that some things that are in the naturalization process are:
Knowledge of the presidents, Knowledge of basic math/reading and writing.
According to the Quran, God (known as Allah) revealed to Muhammad
Hope this help