| A | B |
|---|
| Period of Disunion | the time of disorder following the collapse of the Han Dynasty |
| Grand Canal | a canal linking northern and southern China |
| Empress Wu | The Tang dynasty also included the only woman to rule China |
| porcelain | a thin,beautiful pottery invented in China |
| woodblock printing | a form of printing in which an entire page is carved into a block of wood,covered with ink,and pressed to a piece of paper to create a printed page |
| gunpowder | a mixture of powders used in guns and explosives |
| compass | an instrument that uses the earth's magnetic field to indicate direction |
| bureaucracy | a body of unelected government officials |
| civil service | service as a government official |
| scholar-official | an educated member of the government |
| Genghis Khan | "Universal Ruler" |
| Kublai Khan | In 1260 became ruler of the Mongol Empire |
| Zheng He | Between 1405 and 1433,he led seven grand voyages around Asia |
| isolationism | a policy of avoiding contact with other countries |
