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Nação e Defesa

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​​​​Nação e Defesa is a peer-reviewed and open-access journal that promotes a multidisciplinary approach to academic publishing in the areas of political science and international relations, security and strategic studies, history, diplomatic studies, sociology, and public international law. It accepts submissions in Portuguese and English.​

The manuscript submitted for publication, in English, must be sent by email to​, observing the following rules:
  • Length between 5,000 and 8,000 words (spaces included) in Word format;
  • Abstract (up to 150 words);
  • Title and keywords;
  • Adoption of the Harvard reference system;
  • Filling out the Identification Form available in author_form.pdf
  • Submitted texts must be unpublished;​ 

The manuscript will be evaluated anonymously (blind peer review). Nação e Defesa treats the submitted manuscript and all communication with authors and referees as confidential.

Nação e Defesa adopts the Harvard bibliographic reference system -​. This system uses the author and date in the text body and a list of references at the end of the text, organized in alphabetical order. The reference list contains a detailed list of cited books, journals, and electronic sources.

The views and opinions expressed in the text belong solely to the authors. Authors take responsibility and are accountable for what is published.

Each author will receive one copy of the journal.

By submitting a manuscript to the journal, the author (s) declare that they allow the digitization, upload, and dissemination of the article on IDN digital content platforms, repositories, and bibliographic databases. Questions not addressed here can be directed to the Editor.

We reserve the right to reject a paper even after it has been accepted if it becomes apparent that there are serious problems with its scientific content, or our publishing policies have been violated.


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    The IDN offers more than 1200 articles online through the Open Access Scientific Repositories platform of Portugal. All IDN publications classified by the IDN “Nação e Defesa”, “IDN Cadernos”, “IDN Brief” and “IDN Briefing” can be fully accessed in PDF format.

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