Lasungulwa nini isondo?
Akekho owaziyo ukuthi isondo lakhiwa nini okokuqala. Ubufakazi bemivubukulo bubonakala bubonisa ukuthi isondo lasetshenziswa okokuqala ekwenzeni izinto zobumba eMesopotamiya eminyakeni engaba ngu - 7 000 edlule, phakathi nenkathi ye - Neolithic. Kamuva, lalisetshenziselwa ukwenza izinqola. Amasondo ezinqola aye atholakala eSumer ekuqaleni kuka-3000 BC. Isondo lingenye yezinto ezibaluleke kakhulu ezasungulwa emlandweni wesintu. Yayiwusizo kakhulu ekwenzeni izitsha zobumba nasekuhambeni ezweni. Futhi iyingxenye esemqoka yemishini.