What are four actual primary sources that exist as evidence for the global financial crisis in 2008

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.