An Intervention is any action taken to push/assist an individual or species to break through a particular personal or evolutionary obstacle or blockage.
Interventions are an agreed to condition of entry.
Interventions may be individually oriented, meaning they are focused on a single individual in her or his personal circumstances, or they may be collectively oriented. Collectively oriented interventions may be focused on communities, nations, or even the entire planet.
Knuth (2018). Are we alone? https://theconversation.com/are-we-alone-the-question-is-worthy-of-serious-scientific-study-98843
Sosteric, M. (2018). From Zoroaster to Star Wars, Jesus to Marx: The Science and Technology of Mass Human Behaviour. doi: https://www.academia.edu/34504691
Klattu (1976). Calling Occupants' https://www.youtube.com/watch?v=9URM_5R-vWk