This document provides an overview of early civilizations along major river systems, including:
1) The Indus River valley civilization known as the Harappans that developed extensive urban planning with cities like Harappa and Mohenjo-Daro until declining around 1150 BCE.
2) Migrations of Indo-European peoples called Aryans into the Indus and Ganges river valleys after 1500 BCE and the development of Vedic religion, social hierarchies, and kingdoms.
3) The early civilization in China along the Yellow River that emerged from Neolithic cultures and the later Shang dynasty that established the first Chinese writing system and advanced bronze working.
4) The Zhou people gaining power over