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I am profoundly grateful to my supervisor, Anna Leander, who has since early agreed to embark in this journey, providing me invaluable guidance and unceasing support throughout these years, and prof. Monica Herz, for the unconditional support since when I was still a cluesless Master's student, and for always offering occasions for advice and rich discussions. I also want to thank professors Claudia Aradau, Edgar Lyra and Stefania Milan for agreeing to participate in my committee, and for contributing to the collective body of work that has helped shape the transdisciplinary ethos embraced by this thesis.The Institute of International Relations at PUC-Rio has given me an intellectual home since my early days in the city, from the Master's degree until the PhD years. I am deeply grateful to professors