Which NIMS guiding principle supports interoperability among multiple organizations? A.  Unity of Effort B.  Standardization C.  Flexibility D.  Adaptability   The Correct Answer is: - B. Standardization   The National Incident Management System (NIMS) guiding principle that supports interoperability among multiple organizations is "Common Terminology." As a key component of NIMS, Common Terminology ensures that responders from different agencies and jurisdictions use standardized, consistent language and vocabu... More