Sociologists believe that this kind of urbanization leads to increased literacy, a notion supported the fact that as of the 1840s, 65to 70 percent of the English population had learned how to read, a progression that coincided with the advent of steam-powered printing presses.
이 문장에서 수식, 설명을 다 빼면 Sociologists believe that this kind of urbanization leads to increased literacy, a notion supported the fact that as of the 1840s, 65to 70 percent of the English population had learned how to read, a progression that coincided with the advent of steam-powered printing presses.
Sociologists believe that this kind of urbanization leads to increased literacy, a notion, a progression.
이렇게 될텐데 a notion은 앞에 increased literacy와 동격(이 맞지요..?)이니까 생략한다고 치면
여기서 a progression는 동사도 없이 딸랑 명사하나만 존재하는 느낌인데, which is 나 비스무리한 뭔가가 생략된건가요? leads to에 이어져서 붙거나 believe와 이어지는 거라면 , and a progression.으로 오는거 아닌가 싶어서 질문합니다.