What are mr Corey and reverend parris fighting about?

Mr. Corey and Reverend Parris are fighting about Abigail Williams, a young girl who has accused several women in Salem of witchcraft. Mr. Corey believes Abigail is lying, while Reverend Parris believes she is telling the truth. The conflict between the two men escalates as the witchcraft hysteria spreads through Salem, leading to the imprisonment of many innocent people.