In 1911, the problems and invalidness of scientific racism became more exposed, especially the main problem with it. The main problem with racial science was its inability to distinguish between phenotypical, genetic, biological, and cultural variation among the human population along with having insufficient and invalid evidence to back it up. Franz Boas questioned and challenged the beliefs that race, culture, and language were all connected. He studied and observed different skulls of different people, Jewish and Italian to be exact, and noted on the change in skull structure, concluding that the change in structure was solely do to environmental factors. With this and other studies, like with IQ, he argued and proved that race, culture,
