It is hard to determine when the pan flute was invented. It is one of the earliest and most primitive instruments ever recorded. Only percussion instruments preceded it. Archa â¦ eological excavations have found Viking records and pictures displaying panpipes dating from the 10th century.
As for application to traditional labor environments, Professor Carol Daugherty developed in 1966 a seven-part âjust causeâ analysis. The seven factors are the following: The employee knew of the companyâs policy.
Causes of the Great Depression of 1929-1939. There is no single cause or obvious set of factors that can explain why the. depression occurred. Historians, economists and political scientists have come. up with various explanations that place different emphasis on different factors.