 Ramba uchiverenga ndima ino - Kuiswa kwavanhu vomunyika dzomuAmerica kunobva munzvimbo dzetsika, nzvimbo, uye mitauro. Nyanzvi dzevanhu dzakapa mazita kumatunhu akasiyana-siyana etsika, ane miganhu isingachinji, ayo anowanzobvumiranwa nemisiyano yakati. Iyi nharaunda dzetsika dzakavakirwa zvikuru panzvimbo dzevanhu vemarudzi eAmerica kubva pakutanga kwekubatana kweEurope neAfrica kutanga mukupera kwezana ramakore rechi15. Apo vanhu vomunzvimbomo vakabviswa nesimbanemarudzi-marudzi, anochengeta kurongwa kwadzo kwokutanga kwenharaunda. Mamwe mapoka anobva munzvimbo dzakasiyana-siyana. 