Lima da Silva E. “ARE REDUCE, AND THE NUMBER OF VASSALS GROWS”: military alliances and indigenous troops in the hills of Piauí and Maranhão in the second half of the 18th . RE [Internet]. 2025 Apr. 22 [cited 2026 Jan. 4];1(01):673-90. Available from: https://periodicos.ufrn.br/espacialidades/article/view/38420