Final answer:
Children up to age twelve are typically prohibited from riding in cargo areas to ensure their safety, aligning with historical and contemporary child protection standards.
Step-by-step explanation:
The question relates to the safety regulations for children riding in cargo areas. Based on child protection laws and vehicle safety regulations, children up to a certain age are prohibited from riding in these areas due to the potential for injury. While laws can vary by jurisdiction, considering historical legislation and contemporary safety standards, the age until which children are commonly restricted from such potentially dangerous situations is typically around 12 years old or younger.
It has been a widely recognized practice to protect children ages 6-13 from hazardous travel conditions, aligning with child labor and welfare laws historically established to safeguard minors.