Environment surroundings, conditions, tangible and intangible as in energy present. Training instructions, directions, habit, discipline, education, preparation, qualifications, initiation, familiarization with, indoctrination, instilled, information, teachings, philosophy, way of doing something as a result of, implantation, impression, the result of repetition. Let me suggest that there are many reasons why we choose to share our homes and lives with companion pets. These are all reasons why we humans might decide to add to our families. Also important is consideration for the community in which we live, aside from leaning about the rules, the ordinances, the regulations, and the laws.
Some breeds require much exercise.
Temperament will reflect all of these things, and the lack of exercise is often enough to facilitate behavioral problems. The many breeds of dog fall into several categories. Some are herding animals, some are hunters. Some dogs are sighthounds, others scenthounds. Some are quite exotic and not native to our area.