Ibn Khaldûn wrote, "Cities and buildings were laid waste, roads and way signs were obliterated, settlements and mansions became empty, dynasties and tribes grew weak." He continued, "The entire world changed." Which fact is most fully expressed in his description of the plague?

Total populations across Afro-Eurasia were cut by 25 to 65 percent, with cities bearing the worst losses.

Explanation:

Ibn Khaldun was a leading Tunisian Arab historiographer and historian. He is widely considered by many as a forerunner of the modern disciplines of historiography, sociology, economics, and demography. Here he describes the detrimental effects of the Black plague, due toi which he himself suffered by losing his parents, that had devastated cities and led to demographic changes in society