The Government of the German Reich and the Government of the Union of Soviet Socialist Republics, desirous of strengthening the cause of peace between Germany and the U.S.S.R., and proceeding from the fundamental provisions of the Treaty of Neutrality, which was concluded between Germany and the U.S.S.R. in April 1926, have reached the following agreement: Article 1. The two Contracting Parties undertake to refrain from any act of violence, any aggressive action, or any attack on each other, either individually or jointly with other powers.