International Committee of the Red Cross additional protocol to the Geneva Convention was adopted in 1925 which outlawed the use of suffocating or poisonous gases and biological agents as weapons. Four years later, the original Convention was revised and the second Geneva Convention "relative to the Treatment of Prisoners of War" was established. The events of World War I and the respective activities of the ICRC significantly increased the reputation and authority of the Committee among the international community and led to an extension of its competencies. As early as in 1934, a draft proposal for an additional convention for the protection of the civil population
International Federation of Red Cross and Red Crescent Societies and its incorporation. This hasty formation forced Davison to cut corners and leave unresolved issues such as a clear framework of the league's mandate, duties and funding. The coexistence concerns between the league and the ICRC were discussed during three consecutive International Conferences of the Red Cross (1921, 1923, 1926). The statutes adopted in 1928 at the XIIIth International Conference of the Red Cross in The Hague clarified and confirmed the roles of each entity. In that same year, the "International Council" was founded to coordinate cooperation between the ICRC and the league, a task which was later taken over