According to later accounts, the last Shang ruler governed harshly, ignored wise advice, and lost noble support.The Zhou leaders claimed that Heaven had withdrawn its favor from the Shang because of their misrule.They defeated the Shang armies and justified their victory with a new political idea called the Mandate of Heaven.The Mandate of Heaven said that Heaven supported a just and moral ruler but not a cruel or incompetent one.If a dynasty governed well, collected fair taxes, and maintained order, Heaven allowed it to rule.If a dynasty became corrupt, disasters and rebellions signaled that Heaven had withdrawn approval.This idea gave kings authority, yet also allowed people to explain and morally justify dynastic change.The Zhou rulers adopted much of Shang culture, including writing, bronze ritual vessels, and ancestor worship.They presented themselves as protectors of a wider Chinese world, calling their lands the central or middle realm.From their original heartland in the Wei River valley, the Zhou granted territories to relatives and loyal followers.These nobles ruled semi independent domains, sending tribute and military support to the Zhou king.For a time, this feudal style system helped the Zhou control a large area without a strong central bureaucracy.However, as generations passed, local lords strengthened their own power, and ties to the Zhou court weakened.The early successful period of Zhou rule is often called the Western Zhou, based on the location of the capital.During this time, bronze inscriptions recorded grants of land and rewards for loyal service.These inscriptions show a world of warrior aristocrats, proud of their lineage and military achievements.Eventually, attacks from neighboring peoples forced the Zhou royal house to move its capital eastward.This move marked the beginning of the Eastern Zhou period, when the king grew weaker and regional states grew stronger.The Eastern Zhou era is traditionally divided into two parts, the Spring and Autumn period and the Warring States period.During the Spring and Autumn period, many states recognized the Zhou king in name but largely acted independently.Powerful lords sometimes took the title of hegemon and claimed to protect the royal house while pursuing their own interests.Warfare remained limited compared with later times, and rituals between states still followed older aristocratic customs.At the same time, population increased, iron tools spread, and agriculture expanded into new lands.These economic changes gradually undermined the old noble order and opened space for new types of leaders.As competition intensified, rulers needed better administrators, strategists, and thinkers to strengthen their states.This period of political fragmentation became one of the most intellectually creative times in Chinese history.Many different schools of thought developed, offering answers on how to govern, behave, and create a stable society.Later writers called this flourishing of ideas the time of the Hundred Schools of Thought.Among these thinkers, Confucius and Laozi became especially influential for later generations.Confucius was born during the late Spring and Autumn period, in a small state struggling to survive among rivals.He grew up with limited means but received a solid education in ritual, music, and historical traditions.He looked back to the early Zhou rulers as models of moral leadership and harmonious social order.For Confucius, good government began with the character of the ruler and the cultivation of virtue.He argued that a ruler should govern by moral example, so that people would feel shame rather than fear punishment.Central to his teaching were ideas of humanity, proper conduct, and respect for family and social roles.Humanity meant a deep concern for others, expressed through kindness, empathy, and responsible action.Proper conduct referred to the complex rituals and manners that structured interactions in daily and political life.By observing rituals sincerely, people could shape their emotions and become more disciplined and considerate.Confucius believed that people were capable of improvement through education and self reflection.He rejected the idea that noble birth guaranteed virtue, promoting instead the value of learning and merit.He spent years traveling among different states, hoping some ruler would adopt his ideas for reform.During his lifetime, he never gained the high governing position he desired, yet he gathered a circle of students.These students later compiled his sayings in a text known as the Analects, which preserved his teachings.Confucius rarely spoke about the supernatural and focused on ethical behavior and political responsibility.He taught that rulers, ministers, parents, and children each had duties within a web of relationships.Stability, he believed, came when everyone fulfilled their roles with integrity and compassion.Around the same broad era, another tradition emerged, associated later with a figure called Laozi.Laozi is a somewhat mysterious figure, possibly legendary, described as an older contemporary of Confucius.The text linked to him, the Dao De Jing, presents a very different approach compared with Confucian thought.It centers on the concept of the Dao, or Way, an underlying pattern and source of the natural world.Instead of moral rules and social rituals, Daoist teaching emphasized alignment with the spontaneous flow of nature.It warned that rigid laws, aggressive behavior, and excessive ambition created disorder and suffering.One key idea was non forcing, or acting without unnecessary struggle, allowing things to unfold with minimal interference.A wise ruler, from this perspective, governed by doing less, simplifying desires, and reducing artificial complexity.Where Confucius stressed ritual and duty, Laozi and later Daoists stressed simplicity, flexibility, and inner quiet.Despite these differences, both traditions criticized cruelty and greed and sought a more balanced social order.Beyond Confucian and Daoist ideas, other schools offered more hard edged political advice.Some thinkers, later grouped under the label Legalists, argued that human nature tended toward self interest.They believed that moral example was too weak to maintain order in a competitive and dangerous world.Instead, they promoted strict laws, clear rewards and punishments, and centralized authority.For Legalists, a strong state came from precise regulations, careful organization, and absolutely enforced penalties.They saw traditional families and old noble privileges as potential threats to central power.They favored standardized measures, direct control of land and labor, and harsh treatment of opponents.These competing ideas developed as the Eastern Zhou world moved into the intense Warring States period.During the Warring States period, about seven major kingdoms battled for territory and dominance.States built walls, dug canals, trained large infantry armies, and used iron weapons more extensively.Warfare became more brutal and efficient, with mass conscription of peasants and complex battle strategies.