30. The injustice of certain situations cries out for God's attention. Lacking the bare necessities of life, whole nations are under the thumb of others; they cannot act on their own initiative; they cannot exercise personal responsibility; they cannot work toward a higher degree of cultural refinement or a greater participation in social and public life. They are sorely tempted to redress these insults to their human nature by violent means.
31. Everyone knows, however, that revolutionary uprisings—except where there is manifest, longstanding tyranny which would do great damage to fundamental personal rights and dangerous harm to the common good of the country—engender new injustices, introduce new inequities and bring new disasters. The evil situation that exists, and it surely is evil, may not be dealt with in such a way that an even worse situation results.