Tamed horses or domesticated horse allow for their owner to protect themselves. If you are referring to protecting themselves from predators then they will always do that regardless.
Everything in the world
Horses were tamed 5000 to 6000 years ago, aprox.
Some wild horses are tamed as people re introduce them into the wild as other wild horses just are free
They kill the tamed, and a few wild but mostly tamed. The tamed horses are killed and made food, when their at their oldest age, but usually just tamed horses.
YES!
Horses were first domesticated around 4000 B.C. so yes horses can be tamed although the process of taming a young or wild can be challenging and dangerous.
At the owner's stables.
Mustangs are feral . or both because they can be tamed but most are wild
There are horses all over the world,both wild and tamed
Most horses will protect themselves by fleeing. If necessary, they may kick out with their back legs as they flee. Stallions may fight by biting and kicking other stallions to win the right to mate with all the mares in the herd.
they defend their selves by their claws
Horses were and still are tamed so that people may ride them. A wild horse must be tamed because it would have never had a person riding it before, so it would try to buck a person off.