Indian Country is a legal term used in U.S. law and treaties that were used to either push Native Americans onto reservations or force them to assimilate to the culture of colonizers. Now, a campaign by Wieden+Kennedy for The American Indian College Fund is working to reclaim the term by pointing out that all of America is Indian Country.
https://www.adweek.com/creativity/fundraising-campaign-for-native-american-students-reclaims-controversial-legal-term/