英語 高校生 4年以上前

マーカーで線を引いているところで many to have beenの訳し方が分からないので教えて頂きたいです 全訳もお願いします🙇‍♀️

ne was born. The Renáissance usually is divided loosely into the early Renaissance (1330-1450) and the High Renaissance (1450-1550) Leonardo da Vinci was born in 1452 and is considered by many to have been the most important figure of the entire Renaissance, The philosophical backbone of the Renaissance was (humanism, which placed importance on the possibility for