Final answer:
Unlawful restraint is referred to as False imprisonment, which occurs when a person is confined or restrained against their will without legal justification.
Step-by-step explanation:
The term for unlawful restraint is B. False imprisonment. This is a legal concept where a person is confined or restrained against their will without any legal justification or consent. False imprisonment is a tort and can also be classified as a crime, depending on the jurisdiction. Instances of false imprisonment can occur in various scenarios, such as a person being locked in a room without consent, being held on private property against their will, or being detained by someone without the proper authority or justification. It's important to differentiate false imprisonment from battery, which involves unlawful physical contact, and assault, which refers to the threat of imminent harm or offensive contact. Involuntary seclusion typically refers to the confinement of a vulnerable individual, like an elder or dependent, and is also a different concept.