Which type of liability applies when an individual faces injury due to another's failure to act, such as not cleaning spilled milk?

The appropriate type of liability in this scenario is negligent liability. This concept applies when an individual is harmed due to another person's failure to exercise a reasonable standard of care in their actions or inactions. In the case presented, if someone spills milk and does not clean it up, they may be held liable for negligence because they failed to take appropriate action to prevent others from being injured as a result of the spill.

Negligence is based on the premise that individuals have an obligation to behave in a way that does not cause harm to others. This standard of care is expected in various everyday situations, including maintaining safety in areas where members of the public are present. It is essential to establish that the individual who did not clean up the spill had a duty to act and that their failure to do so directly resulted in someone's injury.

In contrast, strict liability refers to situations where liability is imposed irrespective of fault, often in cases involving inherently dangerous activities or defective products. Intentional liability arises when harm is caused by deliberate actions. Common liability is not a standard legal term widely recognized in liability law. Thus, negligent liability is the correct classification for injury caused by inaction, as it captures the essence of failure to maintain safety that leads to harm.