The study intends to face the clashes around imposing projects and activities, that is, the actions that are conducted or allowed by the Brazilian State, without the participation and listening of the interests and the Munduruku people’s development perspectives. The upper and middle Tapajós river Munduruku indigenous territory that marks the analysis locus of this research is placed between the municipalities of Jacareacanga, Trairão and Itaituba. Through the analysis of the manifestations presented in letters, pronouncements, and interviews, we seek to extract what is formulated by the Munduruku about projects of imposing development in their territories, starting from the affirmation that these rationalities are silenced and neglected by the State. The bibliographic and documentary research method was applied through the analysis of books, theses, articles in periodicals, magazines, legislations, letters from the Munduruku, pronouncements, interviews, judicial proceedings, news, institutional documents, and jurisprudence of the Inter-American Court of Human Rights regarding the rights of indigenous peoples. The Munduruku are affected by illegal projects and activities that are born in a place full of disrespect for democracy and human rights, the pressure on the territories is felt by the increasing number of invasions, land disputes and innumerous dam projects. What is perceived is that indigenous and traditional people are ignored in political decision-making arenas, and legislative and administrative acts that affect them are taken arbitrarily, without guaranteeing the democratic process and the right to prior consultation. The Munduruku shows us that the right to consultation (a right that enables other fundamental human rights) is treated with disdain by the Union. The Brazilian State takes to heart a decision already taken, with no possibility of change and that must be carried out at any price, even if it conditions living beings to an unworthy condition and total erasure. This demonstrates how necessary it is to listen to the people who will be affected, enabling a democratic and fair decision-making process.