There are many different "Traditions" of Wicca, including but not limited to, Gardnerian, Alexandrian, Dianic, Norse, Celtic/Druid, and Faerie.
Wicca is supposed to not involve the Devil.
Wicca has its own scriptures.
Wicca isn't based anywhere.
Wicca, like many other Pagan paths does not have a government. There is no one way to practice, and although many groups have leaders within them, each group is as much different from others as it is the same.
Wicca isn't based anywhere.
No. Wicca is a religion, not a language.
Yes, Faerie Wicca is practiced.
Georgian Wicca was created in 1970.
Wicca Craft was created in 1991.
As Wicca is a religion focusing not on race, but on the belief structures of the individual, there is not (to my knowledge) a specific African-American Wicca. If you are asking if there is a participation by African-Americans in wicca, then the answer is yes.
When a person celebrates Wicca, they are celebrating their faith within it. Wicca is not only a religion, but it's a way of living, and most Wiccan's actually celebrate Wicca every day they are part of it.
There is nothing called Dark Wicca. Wicca is a religion, it is neither Dark or Light.. There are mysteries in the craft of Wicca, and the unworthy would use it for dark purposes. That is why there is a degree system in Wicca, where the secrets are revealed only to the worthy. Wicca is about life and earth and magic. It is up to the individual to decide what they shall attain in their life time.