Kammala jumla mai zuwa: A hukumance wani bangare ne na Daular Ottoman amma a zahiri babu ikon Ottoman, farawa a karni na 16 Algiers ya juya zuwa fashin teku da neman fansa. Saboda wurin da yake a gefen yankunan tattalin arzikin Ottoman da na Turai, kuma ya dogara da kasancewar sa a kan Bahar Rum wanda ke ƙara sarrafa shi ta hanyar jigilar kayayyaki na Turai, wanda sojojin ruwa na Turai ke tallafawa, fashin teku ya zama aikin tattalin arziki na farko. Ƙasashe dabam-dabam sun yi ƙoƙari sau da yawa don su hana 'yan fashin teku da suke damun jiragen ruwa a yammacin Bahar Rum da kuma waɗanda suke kai wa bayi hari har zuwa arewacin Iceland. A ƙarni na 17, har zuwa kashi 40% na mazauna birnin 100,000 bayi ne na Turai. {Asar Amirka ta yi yaƙe-yaƙe guda biyu (The
Na Farko da Na Biyu na Barbary Wars) kan hare-haren Algiers akan jigilar kayayyaki.