chinese dynasties (again)

• han (200-200): confucianism, roman empire
• sui (581-618): end warring states with heavy hand
• tang (600-900): gunpowder, exam system
• song (900-1270): golden age
• yuan (1270-1370): mongols
• ming (1370-1650): response to mongols, return to china, defense
• qing (1650-1911): last one