Because in the old time, the place that where near water have city because they can have food and water near the water. But if you are on a high mountain, witch you can not really get the water, so there might have low population because of it. That is how geography affect China or any other place.
Sociologists call patterns of interaction between groups and individuals group dynamics.
Group dynamics refers to the social process through which individuals interact and act in a group setting. Group dynamics is the study of how behaviour, power, and personality affect group dynamics. A social group's intragroup dynamics or intergroup dynamics are a set of actions and psychological processes that take place in a social group (intergroup dynamics).
Understanding decision-making behaviour, monitoring the spread of illnesses in society, developing efficient therapeutic approaches, and monitoring the development and acceptance of novel concepts and technology can all be aided by research into group dynamics. These field's applications are investigated in the fields of communication studies, leadership studies, sociology, anthropology, political science, epidemiology, education, and social work.
To know more about group dynamics refer here:
brainly.com/question/13173075
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