Law is a collection of rules imposed by authority. Civilization presupposes respect for the law. Law is a learned profession requiring advanced study
The Twelve Tables were promulgated in 449 BC as the foundation of Roman law. Created as a result of plebeian class's struggle against patrician dominance. First ten tables were drafted by the first decemviri in 450 BC. The laws were inscribed on bronze tablets and posted publicly
EU rules cover all types of packaging and waste management. Increasing packaging waste causes environmental problems. Implementation has been successful but waste continues to rise
Fireworks originated in China during the Song dynasty (960-1279). Chinese fireworks were initially made from paper tubes containing gunpowder. European production began in 14th century, becoming popular by 17th century. Modern fireworks use pyrotechnic stars containing fuel, oxidizer, colorants, and binder
Hammurabi ruled Babylon from c.1792 to c.1750 BC as the sixth Amorite king. He conquered Larsa, Eshnunna, Mari, and forced Assyrian tribute. His empire united almost all of Mesopotamia under Babylonian rule
Sample size gets closer to population average as it grows. More data points increase likelihood of accurate mean measurement. Central limit theorem shows sample mean distribution becomes even with larger sample