warrior river
It received it's rich silt from the Indus River. When it flooded it produced an nutrient enriched mud called silt that was good for farming and agriculture in the Indus River Valley.
The Indus River
The Fertile Crescent can be found in modern day Iraq in the river-valley of the Euphrates and Tigris Rivers. It is called this because of the shape of the river-valley along with the fact that the rivers overflow each year and bring nutrient rich soil to the shores.
red river valley
The Huang River Valley is also known as the Yellow River Valley. The first people who settled there were the Sumerians because the valley had very fertile and rich soil.
by helping their crops
so they could farm and settle there.
Rich fur and hunting resources.
The Nile River Valley was a civilization that started at the northern most peak of the Nile River. Their main economy was largely based on farming, the rich soil being provided by the annual flooding of the Nile River.
Well....river valley has rich soil and so they use that soil to farm or it's because the farmers have no life so the river valley gave them water to drink and grow crops that they don't need
in the town of Malbuan, in the rich valley of the Naguilian river
rich soil of the Willamette River Valley.