The Members of the League undertake to respect and preserve as against external aggression the territorial integrity and existing political independence of all Members of the League. In case of any such aggression or in case of any threat or danger of such aggression the Council shall advise upon the means by which this obligation shall be fulfilled.
The Covenant of the League of Nations (1919), The Paris Peace Conference (Allied and Associated Powers). A treaty text published in 1919 with no individual author, so in the public domain in the United States by age. Provenance and rights.