Final answer:
The Poison Squad was a group of volunteers who consumed meals containing chemical additives to test their effects on human health. Their experiments led to the establishment of the FDA and the passing of the Pure Food and Drug Act in 1906.
Step-by-step explanation:
The Poison Squad was a thing in 1903 as a result of concerns about the safety of food additives and preservatives in the United States. Led by Dr. Harvey Wiley, the Poison Squad was a group of volunteers who consumed meals containing various chemical additives to test their effects on human health. The experiments conducted by the Poison Squad helped to pave the way for the establishment of the Food and Drug Administration (FDA) and the passing of the Pure Food and Drug Act in 1906, which aimed to protect consumers from harmful and misleading products.