Urbanisation is the process of ____ and social change in which an increasing proportion of the ____ of a country or ____ live in ____ areas. Human populations have tended to ____ over time. As more people were born, small groups of individuals found reasons to come together to form groups and, with the advancement of agriculture and small communities. A small number of these ____ grew into what we now call ____. This kind of ____ often corresponds with a shift from one settlement ____ to another.

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