<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: I-Mariel boatlift kwakuwukufuduka kwabantu abaningi baseCuba, abahamba besuka eMariel Harbor eCuba beya e-United States phakathi kuka-Ephreli 15 no-Okthoba 31, 1980. Igama elithi Marielito ubuningi Marielitos lisetshenziselwa ukubhekisela kulababaleki kokubili ngeSpanishi nangesiNgisi. Nakuba ukuhlehla komnotho waseCuba kwabangela ukuhlehla komnotho waseCuba, izizukulwane zabantu baseCuba zaziye zathuthela e-United States ngaphambi kokuhlehla komnotho waseCuba zifuna inkululeko yezombusazwe kanye namathuba ezomnotho. Umbuzo: Ukufuduka okukhulu kwabantu baseCuba kwakuthiwa yini?  <response>: Isikebhe sokuphakamisa imikhumbi eMariel 