Due to a shift in beliefs and a corrupt government, peasants joined together and rebelled, leading to the fall of the Han Dynasty.
After the Han Kingdom fell, the country's ambitious warlords and generals fought each other in order to gain control, until most of China was divided into 3 kingdoms, which were soon united into the Tang Dynasty.
Under the Tang Dynasty, China entered a Golden Age, where many improvements were made The Great Canal revolutionized trade and transportation in China.
During the rule of the Tang Dynasty, arts flourished like sculpture, painting, and metalworking.
After the Tang Dynasty split into separate kingdoms, Taizu, a military general, seized power and started the Song Dynasty, which still used many of the Sui and Tang's ideas.
Many new improvements developed during the time of the Song Dynasty, like the first mechanical clock and the crossbow.