Wars: Northern Expedition to unite the 16 states in the north, wars with the Liao State, Western Xia and mongols.
Achivements: Prosperous economy in agriculture, printing, paper-making, silk, porcelain especially in ship-making. At that time, China had business with over 50 countries in south acific, middle east, Africa and Europe. Three of the four great inventions of China were the Song Dynasty's-printing, gun powder and compass.