The conversion from hunter/gather to farming forms of subsistence.
the discovery of farming i guess...
The fertile soil allowed agricultural civilizations to develop.
The fertile soil allowed agricultural civilizations to develop.
the rivers
the fertile soil allowed agricultural civilizations to develop
the fertile soil allowed agricultural civilizations to develop
The Nile River helped civilizations to develop in West Africa.
Mesopotamia irrigation systems allowed civilizations to develop because it allow them to grow food. This food was able to feed large amounts of people.
They needed plenty of land to develop cities and complex civilizations in the Americas.
Agriculture
It developed in Mesopotamia
bubububububuubut
the ability to farm (great soil due to floods) and travel (river+boat=....) between the two rivers.