Mention the characteristics of an ancient town.
(i)Towns and cities that first appeared along river valleys, such as Ur, Nippur and Mohenjodaro, were larger in scale than other human settlements.
(ii)Ancient cities could develop only when an increase in food supplies made it possible to support a wide range of non-food producers.
(iii)Cites were often the centres of political power, administrative network, trade and industry, religious institutions, and intellectual activity, and supported various social groups such as artisans, merchants and priests.