The book presents five essays on Peace and Conflict. The first one: The Conception of Peace from a Time Perspective. The second one: Discrimination as a Disturbing Element of Labor Peace. The third one: Harassment at Work for Reasons of Gender from the Perspective of Human Rights. The fourth: Postmodernity: Gender Perspective or Inverted Inequality and the fifth: The Role of the UN in the Negotiation and Mediation of Conflicts. A Legitimized Trap. The Case of the Sahrawi People.