His allegiance was not to any flag of the then world, neither is it to any today. He knew the 'influence of' and gave His allegiance to only one Kingdom.
Jesus stood for the New Creature, a special breed, foreign to earth and made in Heaven. This species run on divine fuel, with innate power to unify both heaven and earth. They are the light of the world that is plunged in the darkness of hate and prejudice. They are the salt of the earth, the peace makers, bridging the gap between God and man and between man and man.