What were the labor systems like in the song dynasty?

For over three centuries during the Song dynasty (960–1279) China experienced sustained growth in per capita income and population, structural change in the economy, and increased pace of technological innovation. ... In north China, the main fuel source for ceramic kilns and iron furnaces shifted from wood to coal.

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.

pennsylvania, new hampshire, massachusetts, connecticut and rhode island .