(The General Assembly) declares that there has been established a lawful government (the Republic of Korea) having effective control and jurisdiction over that part of Korea where the Temporary Commission was able to observe and consult and in which the great majority of the people of all Korea reside.

1. 밑줄친 문장에서 주어는 lawful goverment이고

    동사는 has been 인가요?

2. established는 a lawful goverment를 전치수식하는

    과거분사 맞는지요??

this Government is based on elections which were a valid expression of the free will of the electorate of that part of Korea and which were observed by the Temporary Commission. and that this is the only such government in Korea.

3. 맨 마지막 문장이 "따라서 이 정부는 한반도에 존재하는

유일한 그러한 정부 " 라고 해석이 되어있는데

 and that의 뜻이 " 따라서 " 인가요?