Territorial behavior encompasses all nearby species and organisms as possible, as much as the organism can detect. This territorial behavior is evolutionary in the sense that animals want to have security, ease of getting its prey and to protect its own species such as the offspring. This is a natural survival instinct in the wild.
The main objective of the Asteroid Redirect Mission was to develop deep space exploration capabilities needed in preparation for a human mission to Mars and other Solar System destinations per NASA's Journey to Mars flexible pathways.