Complex sentence: Meir was the first to speak for the Labor Party, who congratulated Sadat for having won the privilege of being the first Arab leader to come to Israel for the sake of the next generations to avoid war.
Split into simpler sentences: Meir was the first to speak for the Labor Party. She congratulated Sadat for having won the privilege of being the first Arab leader to come to Israel for the sake of the next generations to avoid war.