Agriculture became widespread following the last ice-age, producing a stable food supply which allowed human settlements to develop and flourish, leading in due course to cities.
Ezolimo zasabalala kabanzi kulandela isikhathi seminyaka-yeqhwa, loku kwaletha ukuba khona kwesimo sokudla esizinzile okwabanga ukwakhiwa kwezindawo zokuhlala zabantu nokuchuma kwazo, ngokuhamba kwesikhathi okwaholela ekubeni khona kwamadolobha.