White-collar crime is defined as a nonviolent crime usually involving deceit,
corruption, or breach of trust.
Under the common law, in order to be enforceable, a modification of an existing
contract must be supported by mutual consideration.
The legal effect of a usurious loan varies from state to state.
An unauthorized signature may be ratified and thereby become valid so far as its effect
as a signature and so far as removing civil and criminal liability of the person who had
forged the signature.
Equitable remedies are available any time the plaintiff chooses them over money
damages.