The Qin and Han dynasties were known for the following achievements: Qin Dynasty: -Implementation of the Legalist form of Government -The standardization of the Chinese Language and writing -The standardization of the currency as a circular copper coin with a square hole in the middle. -Uniformity of measurements and axle lengths. -The Building of the Great wall of China to protect against invasions. -Building of roads and irrigation canals. -Building of Palace for Xi HuangDi
Han Dynasty: -Unification of China -Creation of irrigation and water conservation projects -Improvements in farming tools -Expansion of Chinese Borders -Advances in the world of science, art and literature are made possible -Invention of Paper -Establishment of the moral and social basis of Chinese society
