the river im not sure if it was the tigris or some other and the nile i guess
nearness of commercial farming
The building blocks for major world regions are geographic features, cultural heritage, political boundaries, economic systems, and social dynamics. These elements shape the identity and development of different regions and influence their relationships with one another.
The ovaries are the primary glands that influence the development of adult sex characteristics in young women. They produce hormones like estrogen and progesterone, which are responsible for the development of secondary sexual characteristics like breast development, menstrual cycle regulation, and body hair distribution.
The Olmecs preceded the Toltecs who preceded the Aztecs. I would nominate the Mayan civilization which was far more widespread and lasted much longer. Even after they went into decline, their influence continued to be felt for hundreds of years afterward. Perhaps the Inca were "first".
most regions do not have limestone under the soil Most regions have rock layers other than limestone
River Valleys
River Valleys
Rivers.
river valleys
The Toltecs had a more direct influence on the Aztecs than the Olmecs because they were closer to the Aztecs in both time and geographic location.
Mountains @_@ ;D
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by the different rulers
idk
It wasn’t the development of humans, but western civilization.
Mountainous topography
Islam contributed positively to civilization and even they had their own Islamic civilization that contributed so much to Europe development.