Tsakanin ƙarni na 12 zuwa na 13, Italiya ta ɓullo da tsarin siyasa na musamman, wanda ya sha bamban da fiudal na Turai a arewacin tsaunukan Alps.Kamar yadda ba a sami wani babban iko ba kamar yadda suka yi a wasu sassan Turai, birnin oligarchic ya zama tsarin gwamnati.Tsayawa duka ikon Ikilisiya kai tsaye da ikon Imperial a tsayin hannu, yawancin jihohin birane masu zaman kansu sun sami ci gaba ta hanyar kasuwanci, dangane da ka'idodin jari hujja na farko a ƙarshe suna haifar da yanayi don sauye-sauyen fasaha da hankali da Renaissance ya samar.Garuruwan Italiya sun bayyana sun fice daga Feudalism ta yadda al'ummarsu ta ginu kan 'yan kasuwa da kasuwanci.Hatta biranen arewa da jihohin su ma sun yi fice ga jamhuriyar 'yan kasuwa, musamman Jamhuriyar Venice .Idan aka kwatanta da feudal da cikakken masarautu, ƙungiyoyi masu zaman kansu na Italiya da jumhuriyar 'yan kasuwa sun more 'yanci na siyasa wanda ya haɓaka ci gaban kimiyya da fasaha.A wannan lokacin, yawancin biranen Italiya sun haɓaka tsarin gwamnati, kamar jumhuriyar Florence, Lucca, Genoa , Venice da Siena.A cikin ƙarni na 13 da 14 waɗannan biranen sun girma sun zama manyan cibiyoyin kuɗi da kasuwanci a matakin Turai.Godiya ga kyakkyawan matsayi tsakanin Gabas da Yamma, biranen Italiya irin su Venice sun zama cibiyar kasuwanci ta duniya da cibiyoyin banki da kuma mashigar hankali.Milan, Florence da Venice, da kuma wasu biranen Italiya da yawa, sun taka muhimmiyar rawa wajen haɓakar kuɗi, ƙirƙira manyan kayan aiki da ayyukan banki da bullowar sabbin nau'ikan ƙungiyoyin zamantakewa da tattalin arziki.A daidai wannan lokacin, Italiya ta ga tashin Jamhuriyar Maritime: Venice, Genoa, Pisa, Amalfi, Ragusa, Ancona, Gaeta da ƙananan Noli.Daga ƙarni na 10 zuwa na 13 waɗannan biranen sun gina tasoshin jiragen ruwa duka biyu don kariyar kansu da kuma tallafawa manyan hanyoyin kasuwanci a cikin Tekun Bahar Rum, wanda ke haifar da muhimmiyar rawa a yaƙin Crusades .Ba da dadewa ba kasashen Venice da Genoa sun zama manyan hanyoyin Turai don yin kasuwanci da Gabas, inda suka kafa yankuna har zuwa Tekun Bahar Maliya kuma galibi suna sarrafa yawancin kasuwancin da Daular Rumawa da kuma duniyar Islama.Gundumar Savoy ta faɗaɗa yankinta zuwa cikin tsibiran a ƙarshen Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiya da Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar Tsakiyar.