Branting promoted peace, conciliatory international diplomacy and anti militarism. Contributed to the peaceful dissolution of the Swedish-Norwegian Union in 1905 and continued to work on the development of good Swedish-Norwegian relations. Branting was one of the foremost members of the international social democratic movement and he exercised great influence on its peace work.
Lange served as secretary to the Norwegian Nobel Committee from 1901 to 1909, and he played an important role in the founding and development of the Norwegian Nobel Institute that opened in 1905. He advocated peace and disarmament and he attended several international peace conferences. Lange was secretary general of the Inter-Parliamentary Union from 1909 to 1933. During WWI he moved the office of the Inter-Parliamentary Union to Oslo, in order to continue and preserve the work of the Union and to protect its records from possible wartime destruction.
Branting was on the short list. Worm-Müller was supposed to write the evaluation, but due to illness he was unable to do so. There was no time for Ragnvald Moe to write an evaluation.
Branting was prime minister from March to September 1920.