IA SCIEN M T E IA D R A V C M A PONTIFICIAE ACADEMIAE SCIENTIARVM SOCIALIVM ACTA 22 S A O I C C I I F A I T L I N V M O P Vittorio Hösle Marcelo Sánchez Sorondo Stefano Zamagni Editors Nation, State, Nation, State, Nation-State Nation-State The Proceedings of the 22nd Plenary Session 1-3 May 2019 Libreria Editrice Vaticana • Vatican City 2020 Nation, State, Nation-State The Pontifical Academy of Social Sciences Acta 22 The Proceedings of the 22nd Plenary Session Nation, State, Nation-State 1-3 May 2019 Edited by Vittorio Hösle Marcelo Sánchez Sorondo IA SCIE M NT E IA D R A V C M A S A I O C C I F I I A T L I N V M O P LIBRERIA EDITRICE VATICANA • VATICAN CITY 2020 The Pontifical Academy of Social Sciences Casina Pio IV, 00120 Vatican City Tel: +39 0669881441 • Fax: +39 0669885218 Email:
[email protected] • Website: www.pass.va The opinions expressed with absolute freedom during the presentation of the papers of this meeting, although published by the Academy, represent only the points of view of the participants and not those of the Academy. ISBN 978-88-86726-34-4 © Copyright 2020 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form, or by any means, electronic, mechanical, recording, pho- tocopying or otherwise without the expressed written permission of the publisher. Cover design: Lorenzo Rumori Photo credits: Gabriella Clare Marino, Lorenzo Rumori THE PONTIFICAL ACADEMY OF SOCIAL SCIENCES LIBRERIA EDITRICE VATICANA VATICAN CITY “Saint Thomas had a beautiful idea of what a people is: ‘The river Seine is not this river because of this water flowing down it, but because of this source and this river bed; so it’s always regarded as the same river in spite of different water flowing down it.