воткнуть артикль где нужно: In ... fifteenth century ... people knew

воткнуть артикль где нужно: In ... fifteenth century ... people knew only three continents: ... Europe, ... Asia and ... America. They knew nothing about such ... big continent as ... America. ... man who discovered ... America was born in 1451 in ... Italy. His name was Crastofer Columbus. He became ... sailor at ... early age. Knowing that ... earth was round, he decided to reach ... India sailing to ... west. He tried to errange ... expedition, but did not have ... money, and nobody wanted to help him. At last ... king of ... Spain gave him ... money for ... expedition. He set ... sail in 1492. ...voyage was very dangerous and difficult. On ... 12th of ... October his ship