Spiritual awakening became more important than sacrifice.
The volume of sediment in the Huang He, mostly yellow loess, raised the river bottom so that it was higher than the surrounding lands, and the river overflowed its banks.
Egypt needed Nubian's natural resources Egypt needed Nubian gold Egypt needed help fighting off invaders.
The Nubia dominated this area.
Iron
Based on the Vedas
They were nomadic
Archeological artifacts tell us that the Bantu were farmers and not hunter-gatherers. The artifacts also tell us that they had domestic animals and worked with iron.
family was not importsnt