Why is eridu and your appear on the inland cities?

Eridu, one of the earliest known cities in Mesopotamia, emerged as a significant urban center due to its strategic location near the Euphrates River, which facilitated trade and agriculture. Its development reflects the transition from nomadic life to settled farming communities, as people sought fertile land for cultivation. The inland cities, including Eridu, played a crucial role in the cultural and technological advancements of early civilization, serving as hubs for religious, political, and economic activities. Their locations were often chosen for access to resources and water, which were essential for sustaining growing populations.