The unit labour cost is defined as labour cost per unit of output. (c) Unit of Measurement: 1990 US$. (d) Placement in the CSD Indicator Set: Economic development/ Employment. 2. POLICY RELEVANCE. (a) Purpose: This indicator provides estimates of growth rates of labour. productivity.
It was the first Qin emperor in 221 BCE who standardized writing in China. Before this, each area had its own particular writing system. But with the help of the connections made by the Grand Canal. the so-called Qin script became the official set of characters, required for all state and governmental affairs.
Related article: the construction of the Great wall of China. Nomadic tribes from territories now a part of Mongolia and Manchuria often swooped down marauding into the areas ruled by the emperor. In 221, B.C., Qin Shi Huang conquered all the surrounding states and united them under his empire.