1. The document summarizes the major viewpoints in the history of management thought, including traditional/bureaucratic, behavioral, systems, contingency, and quality viewpoints.
2. The behavioral viewpoint emphasized the human aspects of organizations and that workers are motivated by social and psychological factors more than incentives.
3. The contingency viewpoint is that there is no one best way to manage and the optimal approach depends on factors like the external environment and individual capabilities within the organization.