Alaska is governed as a state with very limited autonomy for Alaska Native peoples. American Indian/Alaska Native women had 19.7 new cases per 100,000 persons. One of their most popular forms of the Alaska Native art are masks. One of their most popular forms of the Alaska Native art are Yup'ik masks. The Alaska Native Claims Settlement Act became law in 1971. There are also federally recognized Alaska Native tribes. The museum also houses Alaska Native artifacts. It provided for the establishment of 13 Alaska Native Regional Corporations to administer those claims. One of their most popular forms of the Alaska Native art are yo-yos. NANA's Alaska Native shareholders are of Inupiat descent. An additional 2.3 million persons declared part-American Indian or Alaska Native ancestry. AFN changed the human rights and economic stability of the Alaska Native population forever. As in many other Alaska Native villages, the import and sale of alcohol is prohibited. Native Indian and Alaska Native people are disproportionately prone to colon and lung cancer. Some Alaska Native villages, including Chenega and Afognak, were destroyed or damaged.