The term Witch comes from of the Old English word, "wicce", which means " wise woman" or "wise man". It was once believed that those with special powers could help a village or country thrive with good help and great incite, though simply passing on the lessons of Old was more than enough. Merlin would have fallen under this category. But the church was loosing members, and therefore, power and money, to those who had such powers and wisdom. The church labeled them as evil, saying that no person outside of the church could hold such knowledge, meaning that they had to have made a contract with the devil. In England and her colonies, hanging was preferred, while France would burn the witches.
The trials of Salem Village began in 1692, though they had happened for centuries before in Eourope. The daughter and niece of Rev. Samuel Parris became ill. When they didn't get better, Dr. William Giggs was called to the house. He said that they had been bewitched, thus causing a panic in the small town.