수능스타트 지문 문법 질문드려요

1. To the leader goes the credit and the impression that he achieved everything on his own.
부사 도치가 일어나 주어가 뒤로 간 것 같은데, 주어가 두 개라면 왜 goes가 쓰였나요?
2. There is no evidence that they are feeding to any great extent on sardines, mackerel, or other commercially important fishes.
여기서 that은 동격 접속사인가요?
3. Writing our thoughts down forces us to focus on the issues and reading them helps keep us on the subject.
them이 writing our thoughts down을 가리킨다는 설명을 들었는데 맞나요? 그렇다면 왜 복수 대명사 them을 쓰나요?