Yes Germany Violated international law in world war 1.

Anthony A. D'Amato has written:

'Justice and the legal system' -- subject(s): Administration of Justice, Cases, Justice, Justice, Administration of

'International law studies' -- subject(s): International law

'International law coursebook' -- subject(s): International law

'International law' -- subject(s): International law

'Introduction to law and legal thinking' -- subject(s): Law, Philosophy

'The concept of custom in international law' -- subject(s): Customary law, International, International Customary law, International law

International Law is not a real Law, but a positive International

Morality.

D. P. O'Connell has written:

'Opinions on imperial constitutional law' -- subject(s): Colonies, Constitutional law

'International law' -- subject(s): International law

'International law for students' -- subject(s): International law

'State succession in municipal law and international law' -- subject(s): State succession