What detail from the section not only the mummies BEST supports the main idea of the article?

The detail that the mummies showed evidence of advanced medical procedures, such as surgeries performed with tools made from obsidian and the application of herbal medicines, supports the main idea of the article that ancient Peruvians had a sophisticated understanding of medicine and surgery. This detail demonstrates the level of knowledge and skill possessed by the ancient Peruvian civilization in the field of healthcare.