Answer :
Archaeologists study settlement patterns primarily to reveal population estimates and degrees of social complexity that is a kinds of information about prehistoric communities.
The Prehistoric Communities or Society is an international learned society which devoted to the study of the human past from the earliest times.
Population estimates can describe the size of the total population as well as demographical characteristics such as age, education level, or sex. Population estimates are completely dependent on the demographical components of change, i.e. migration, mortality and fertility.
Social complexity is a kind of conceptual framework which is mainly used in the analysis of society. Contemporary definitions of the complexity in the sciences are generally found in relation to systems theory where a phenomenon under study has multiple parts and multiple possible arrangements of the relationships between those.
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