Complex sentence: The American Indian nations of Wisconsin were represented in an Indian village where they sold traditional baskets and other crafts as well as Indian foods, and a special grandstand was used to perform and celebrate Menominee and Oneida and dancing.
Split into simpler sentences: The American Indian nations of Wisconsin set up a traditional-style village, where they sold traditional baskets and other crafts, as well as Indian foods. A special grandstand was used for Indians to perform and celebrate Menominee and Oneida music and dancing.