This book analyses the debates on the concept and practices of the free movement of persons within Europe, the security dimension of the European Union, illegal immigration and migration management, human rights and the role of various players and interests.

This book brings together a number of articles in Portuguese, French and English on topics such as thinking peace, peace, intellectuals and peace, federalism and universalism, religiosity and secularism, women and peace, and campaigns and mobility. It proposes to substantiate concepts, projects, movements, speeches, images, representations, and deepen knowledge of personalities who thought Peace between 1849 and 1939.