Adding a background section to a project charter would be helpful in what way? a$.$ The background statement is the project purpose or justification, and answers the question "why"? b$.$ The background statement represents the knowledge acquired by the project team throughout the project planning and execution. c$.$ The background statement provides more detail to understand the rationale and purpose behind the Scope Overview and the Business Case statements. d$.$ The background statement establishes what project team operating principles they will use.