What factors were (or must be) taken into account for Successful Intervention1 to be successful?

Successful Intervention 1 – (A specific intervention that is being implemented (or has been implemented in a specific location or region in the USA– e.g Let’s move Louisiana)
Description of Successful Intervention1
Lessons learned from Successful Intervention1 and Implications for programming?

What factors were (or must be) taken into account for Successful Intervention1 to be successful?

Application of Behavior Change Principles, Theories and/or Models to Successful Intervention1