GENERAL KNOWLEDGE

Detailed explanation-1: -The first civilizations appeared in major river valleys, where floodplains contained rich soil and the rivers provided irrigation for crops and a means of transportation.

Detailed explanation-2: -Key Points. Rivers were attractive locations for the first civilizations because they provided a steady supply of drinking water and game, made the land fertile for growing crops, and allowed for easy transportation.

Detailed explanation-3: -All civilizations have certain characteristics. These include: large population centers; monumental architecture and unique art styles; shared communication strategies; systems for administering territories; a complex division of labor; and the division of people into social and economic classes.

Detailed explanation-4: -The rivers acted as a reliable source of water for agriculture and other human needs. The land beside the river was very fertile which facilitated agriculture, hence fulfilled the need of surplus food. Moreover the rivers served as excellent means of transport.