The purpose of Israel is peace
The purpose of Rabbi Menachem Froman was to find a place where the Jews and the non-Jews who live here were safe at last, their lives – all of their lives – accorded respect and where a distinction is made between loving the land and claiming exclusive possession of it.
Does every nation need purpose? Probably not. Many countries, perhaps most, do quite nicely just getting by. Making a living. Abiding by common international denominators. As far as many nations are concerned, a purpose is beside the point.