Final answer:
The Poison Prevention Packaging Act (PPPA) is the law that brought about child-resistant packaging.
Step-by-step explanation:
The law that brought about child-resistant packaging is The Poison Prevention Packaging Act (PPPA). The PPPA was enacted in 1970 and requires the use of child-resistant packaging for certain hazardous substances, including prescription drugs and over-the-counter medications, household chemicals, and other potentially harmful products. Child-resistant packaging is designed to be difficult for young children to open, reducing the risk of accidental ingestion or exposure.