Statutes often set forth rules specifying what may be included in contracts and what is prohibited. Which contracts may be contrary to statute and thus illegal? A contract to commit a crime and contracts with unlicensed persons A contract to commit a crime, contracts involving usury and gambling, and contracts with unlicensed persons Only contracts to commit a crime A contract to commit a crime, contracts involving usury and gambling, contracts with unlicensed persons, and contracts with which one party disagrees