Question

تاریخ ایران مثل او دیگر به خودش نخواهد دید، اگر ایران کشور مستقلی محسوب بشود،

بیشتر این استقلال  مرهون تلاش های اوست

Answer 1

He will not be repeated in Iran's history again. / Iran will not see a person like him in its history again. / Iran's history will not see / witness a person like him again.

If Iran could be / is considered as an independent country , most of this independence is owed / indebted to his efforts. / this independence is largely / mostly owed / indebted to his efforts.