* 'Seventy Nations' as both legal jurisdiction AND national character.* Legal jurisdiction and national laws serve to uphold justice as best for that nation (and accomplish the 'national mission', if you hold by Jewish mysticism)
* The balance in halacha between choice and heredity.
* The two Noahide theories in halacha:
# Jews are defined by heredity (except for rare converts), Noahide have free choice# Both Jews and Noahides are defined by heredity (except for rare converts)
* Debunk theories of race, per halacha.
# National character (heredity) is small portion of personality psychology