Why do you think the city flourished even after the death of Alexander?

The city flourished after Alexander's death due to the establishment of Hellenistic culture, which spread across his former empire, fostering trade, art, and science. Additionally, the administrative systems and infrastructure he put in place continued to function effectively, providing stability. Local leaders and successors, such as the Ptolemies in Egypt, promoted economic growth and cultural exchange, ensuring the city's continued prominence. Furthermore, the cosmopolitan nature of these cities attracted diverse populations, enhancing their vibrancy and resilience.