African nation once enslaved by egypt, who would later on conquer Egypt ?

In the mid-fourth century B.C., the Persians again attacked Egypt, reviving their empire under Artaxerxes III in 343 B.C. Barely a decade later, in 332 B.C., Alexander the Great of Macedonia defeated the armies of the Persian Empire and conquered Egypt.

Financial wealth is desirable to the narrator.

Based on this excerpt, the reader can reasonably assume that financial wealth is desirable to the narrator, as it is something he admires. It is clear when he says that the company of millionares is "consoling" that he enjoys being in places where there is a lot of wealth. Moreover, he describes the houses of the rich as "white palaces" and East Egg as "fashionable," all of which have very positive connotations.