1) Scrum was developed in 1995 to help resolve complexity in projects. It is based on principles of empowering people, creating a bounded environment for action, and embracing emergent discovery.
2) Scrum expresses the values of the Agile manifesto including empowering people and valuing individuals and interactions over processes and tools.
3) Transitioning an organization to Agile requires changing the core culture from one focused on control and actuality to one focused on collaboration, cultivation, and possibility. The path from the current culture to the desired culture is the Agile transition path.