When did the greeks begin to view outsiders as "barbarians"?

What was the significance of john hancock's signature on the declaration of independence?

17 million negroes cannot do as you suggest qnd wait for the hearts of men to change. tjis we cannot do unless we persue aggressively goals which all other americans achieved ove 150 years ago. how might martin luther king jr. respond to this statement?

Which country’s foreign policy is designed to threaten u.s. economic superiority? china russia iran japan