Final answer:
The definition of crime includes acts that are against the law, and it is divided into violent and nonviolent categories. Forced entry is not a requirement for burglary.
Step-by-step explanation:
An important aspect of the definition of crime is that it involves acts that are against the law. Crimes are divided into two main categories: violent crimes and nonviolent crimes. Violent crimes are those that involve force or threat of force, such as murder or armed robbery. Nonviolent crimes, also known as property crimes, include theft and burglary.
In the given options, all except option a are true of the definition of crime. Forced entry is not a requirement for burglary; it is the unlawful entry into a building with the intent to commit a crime therein.