根据句子意思，用所给单词的适当形式填空。未提供单词的根据上下文填入适当的词。 Christopher Columbus was born in the Republic of Genoa (today part of Italy)between 31 October, 1450 　 　 30 October, 1451 and 　 　(die)on 20 May, 1516. He was 　 　 well-known explorer. Throughout his life, Columbus completed four voyages(3 August, 1492~11 May, 1502), and his efforts(努力)　 　(build)settlements on the Island of Hispaniola, started the Spanish colonization(殖民)of the New World.Although Columbus was not the first European explorer 　 　(reach)the Americas, his voyages led 　 　 the first lasting European contact with the Americans.　 　 (him)played a 　 　(real)important and great role in the historical 　 　(develop)of the modern 　 　(west)world.