They irrigated dry lands. hope it helps
Answer:
Explanation:
A feral child (also called wild child) is a human child who has lived isolated from human contact from a very young age, and so has had little or no experience of human care, behavior or human language
I believe the answer is: the suggestibility of the individual who is to be hypnotized
Suggestibility in this context refers to the inclination of the person to accept the act of hypnosis that being done to that person. This would make them much more open to follow the instruction given during the hypnosis, which most likely lead to higher chance of success.