The Han Dynasty was established by rebel leader Liu Bang (later known as Emperor Gaozu of Han), but its greatest emperor was Wudi (Emperor Wu of Han). To get a job in the Han government, a person had to study the ideas of Confucious (Confucianism). The Han also helped to protect Chinese culture by protecting the method of creating silk.
Phones help us communicate with people around the world. Phones were first invented by Antonio Meucci in 1846 but, Alexander Graham Bell won the first U.S patent for the device in 1876.
When a country's GDP falls, the economy is said to be shrinking and therefore is entering into a recession. A recession is a decline in the economic output of a country and this is traditionally measured by GDP percentage growth or contraction.
