Changes

==Economics==

==Economics==

The Song court's revenues far exceeded those of any other major government in the world, at that time. More than half of the state's revenues were obtained through monopolies imposed on the production of rice wine, and key mineral resources such as salt, copper, and alum. Private commerce was quite active in a great variety of fields, ranging from iron mining and metallurgy to sericulture, textiles, tea, porcelain, paper, and sugar, and advances were made in the efficiency, quality, or other aspects of production of many of these goods. The Song coal and iron industries were the most advanced in the world at that time.<ref>Schirokauer, et al, 198.</ref>

The Song court's revenues far exceeded those of any other major government in the world, at that time. More than half of the state's revenues were obtained through monopolies imposed on the production of rice wine, and key mineral resources such as salt, copper, and alum. Private commerce was quite active in a great variety of fields, ranging from iron mining and metallurgy to sericulture, textiles, tea, porcelain, paper, and sugar, and advances were made in the efficiency, quality, or other aspects of production of many of these goods. The Song coal and iron industries were the most advanced in the world at that time.<ref>Schirokauer, et al, 198.</ref> Gunpowder may have been invented in the Song; the earliest extant record of the formula dates to [[1044]].<ref>Schirokauer, et al, 202.</ref>

Government involvement in private enterprise consisted chiefly of actions taken to ensure the free flow of goods, and the prevention of monopolistic or cartel behaviors. Certain goods, such as iron, books, and bronze coin, believed to be of particular strategic importance, were forbidden from being exported; these flowed out of the country nevertheless, including in trade with Japan, in exchange for gold, sulfur, and timber, among other goods and commodities.<ref name=crossroads393>Bonnie Smith, et al. ''Crossroads and Cultures'', vol. B, Bedford St. Martins (2012), 393.</ref>

Government involvement in private enterprise consisted chiefly of actions taken to ensure the free flow of goods, and the prevention of monopolistic or cartel behaviors. Certain goods, such as iron, books, and bronze coin, believed to be of particular strategic importance, were forbidden from being exported; these flowed out of the country nevertheless, including in trade with Japan, in exchange for gold, sulfur, and timber, among other goods and commodities.<ref name=crossroads393>Bonnie Smith, et al. ''Crossroads and Cultures'', vol. B, Bedford St. Martins (2012), 393.</ref>