Interference with Economic Relations Is Actionable Even Where No Breach

Interference with economic relations is actionable even where no breach of contract has taken place, but

A) the conduct complained of must have been unintentional, otherwise the action will not succeed.
B) the conduct complained of must not have result in actual harm, otherwise the action will not succeed.
C) there must be some instance of negligence associated with the complaint, such as a product liability claim.
D) no damages can be awarded in such an action.
E) there must be some other unlawful conduct associated with the complaint, such as bribery or defamation.