Ramba uchiverenga ndima iyi - Muna 1479 Portugal neCastile vakasaina Chibvumirano cheAlcáçovas chaigumisa Hondo yeCastilian Succession
. Mukati mehondo Castile yakanga yarwisa kutengeswa kwevaranda kwechiPutukezi kupfurikidza nokutyisidzira nzvimbo dzechiPutukezi uye kushaya kubudirira kurwisa ngarava dzavo muGulf of Guinea. Sezvo muvengi wavo mukuru wokuEurope akanga aparadzwa, Portugal yakawedzera zvitengeswa zvayo uye misha yayo muWest Africa pasina kana munhu aiipikisa muzana remakore rechi15. Mukati mezana iroro ramakore vagari vemo vakasiyana-siyana vechiPutukezi, vaongorori, uye vatengesi vakaenda kunzvimbo dzomumhenderekedzo yegungwa uye kuzvitsuwa zveWest Africa - zvikurukuru Cabo Verde - nokuzvidira kana kuti nesimba. Vamwe vakanga vari vatengesi kana kuti vamiririri vemabhizimisi ezvokutengeserana avo "vakazvidurura" nokuzvidira ("lançavam") mukubata navanhu veAfrica nokuda kwezvinangwa zvokutengeserana, uye kazhinji kazhinji vaidzivisa mitero yehurumende yechiPutukezi. Zvisinei, ruzhinji rwe"lançados" rwakanga rwuchiendeswa kuAfrica zviri pamutemo kana kuti rwaizviita, kubatanidza vaJudha navaKristu Vatsva vaitiza Bvunzurudzo yechiPutukezi, uye vanhu vainzi "degredados" vaibatira vaidzingwa nomutemo. Vashomanene zvikuru ve"lançados" vakanga vasiri vaPutukezi, asi vaSpanish, vaGiriki, kana kuti vaIndia.