Science has made unrestricted national sovereignty incompatible with human survival. The only possibilities are now world government or death.
To expect a personality to survive the disintegration of the brain is like expecting a cricket club to survive when all of its members are dead.
Without civic morality communities perish; without personal morality their survival has no value.
The human race may well become extinct before the end of the century. Speaking as a mathematician, I should say the odds are about three to one against survival.