After the October Revolution and the onset of the Russian Civil War, Radek arrived in Petrograd and became Vice-Commissar for Foreign Affairs, taking part in the Brest-Litovsk treaty negotiations, as well as being responsible for the distribution of Bolshevik propaganda amongst German troops and prisoners of war. During the discussions around signing the treaty, Radek was one of the advocates of a revolutionary war.
After being refused recognition as official representative of the Bolshevik regime,Radek and other delegates — Adolph Joffe, Nikolai Bukharin, Christian Rakovsky and Ignatov — traveled to the German Congress of Soviets.After they were turned back at the border, Radek alone crossed the German border illegally in December 1918, arriving in Berlin on 19 or 20 December,where he participated in the discussions and conferences leading to the foundation of the Communist Party of Germany.
After being refused recognition as official representative of the Bolshevik regime,Radek and other delegates — Adolph Joffe, Nikolai Bukharin, Christian Rakovsky and Ignatov — traveled to the German Congress of Soviets.After they were turned back at the border, Radek alone crossed the German border illegally in December 1918, arriving in Berlin on 19 or 20 December,where he participated in the discussions and conferences leading to the foundation of the Communist Party of Germany.