Bob's Threat to Breach an Existing Contract Unless Lauren Makes

Bob's threat to breach an existing contract unless Lauren makes another contract with Bob is considered:

A) an element of duress,because breach of an existing contract violates a criminal statute.
B) an element of duress,depending mainly on the coerciveness of the threat.
C) not an element of duress,because it does not involve physical force.
D) not an element of duress,because breaking a contract normally does not violate a criminal statute.