Flora Dutra, a Brazilian activist who works with Indigenous tribes, right, with Allyson Reneau and Enoque Marubo, in Manakieaway, a Marubo village in Brazil's Acre state on April 6, 2024. Elon Musk's Starlink has connected an isolated tribe to the outside world -- and divided it from within. (Victor Moriyama/The New York Times)