Answer:
It was his death in June 323 BCE.
Explanation:
By 323 B.C., Alexander was head of an enormous empire and had recovered from the devastating loss of his friend Hephaestion—who was also reputed to be one of Alexander’s homosexual male lovers. Thanks to his insatiable urge for world supremacy, he started plans to conquer Arabia. But he’d never live to see it happen. After surviving battle after fierce battle, Alexander the Great died in June 323 B.C. at age 32.
During the rule of the Tang and Song dynasties, China was a wealthy, prosperous, and advanced country. The trade has been well developed between the East and the West, so there was constant contact between the different civilizations. The cities of China during these two dynasties were considered as cultural centers of an international age, and rightly so. Apart from being very well connected, these cities very beautiful, enormous, very well organized, economically and politically powerful, technologically and culturally advanced, all of which was making them superior in comparison to the other cities, as well as being an example of how a city should be and develop.