Tigris, Euphrates River Valley's and Los Angeles
The first river valley civilization was Mesopotamia, located in Asia. Asia has had the most river valley civilizations.
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dependent on fertile land
Mesopotamia was in the Tigris Euphrates river valley because ancient civilizations needed water. The Tigris and Euphrates rivers provided that necessity to the people in that area.
A river valley is near a river and provides the necessities for stable life style to occur due to fertile lands. It is where civilizations first started in the world. Example, Mesopotamia.
The three early river civilizations are the Incas. Aztecs and Mayas
Four river valley civilizations are: 1) Egyptian (Nile River) civilization 2) Tigris-Euphrates civilization 3) Huang He (Yellow River) civilization 4) Indus civilization
Mesopotamia, Egypt, India, and for the forth I`m not very sure, maybe the region of China
during the ancient times river was the only source of water for the people. so they settled near around the river only. the civilizations that flourished in the river valleys are called river valley civilization.
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Danube River Valley
Mesopotamia Indus river valley Niger river valley Andes mountains Chinese river valley