Catechism Paragraph 1909
Part 3:
LIFE IN CHRIST
Section 1: MAN'S VOCATION LIFE IN THE SPIRIT
Chapter 2: THE HUMAN COMMUNION
Article 2: PARTICIPATION IN SOCIAL LIFE
Section 1: MAN'S VOCATION LIFE IN THE SPIRIT
Chapter 2: THE HUMAN COMMUNION
Article 2: PARTICIPATION IN SOCIAL LIFE
Finally, the common good requires peace, that is, the stability and security of a just order. It presupposes that authority should ensure by morally acceptable means the security of society and its members. It is the basis of the right to legitimate personal and collective defence.