What I love about Black Violin is they work together to make a hip-hop duo in Florida comprising two classically trained string instrumentalist
The establishment of norms in order to assess the representative of the general population norming.
When we have norms and a population (even different populations), we're also able to create norms for these different populatons and then later on create the values that will be used.
In the early civilization there was an upper and lower class relationship between government and social classes. Early civilizations came in existence in Lower Mesopotamia in 3000 BCE followed by "Egyptian civilization" (3000 BCE) along the Nile, Harappan (Indus Valley) civilization in the Indus River Valley (in Asian continent and at present time India and Pakistan, 2500 BCE).
The Chinese civilization established with "yellow and Yangtze Rivers" in 2200 BCE. In the recent times archeologists are searching in Tamil Nadu (India), found some vassals and other things which may have a connection with Indus Valley civilization.