Why did the Phoenicians establish Carthage? Why did the Abbasid Caliphate decline? Why have cities formed in East Asia? Why did the Vikings settle in Greenland? Why did the Hyksos invade Egypt? Why did trade flourish in the Assyrian Empire?
Did the Phoenicians build Great Zimbabwe? Did Visigoths have horns on their helmets? Were the Druids and Gauls the same as the Celts? Did the Incas use chinampas? Were .22 rifles used in the Nez Perce War? Did they have cannons in medieval times? Was the wheel invented in the Stone...