(A) United Nations
(B) ** League of Nations
(C) Confederate Nations
(D) UN Peacekeepers
EXPLANATIONS BELOW
Concept note-1: -The League of Nations was established at the end of World War I as an international peacekeeping organization. Although US President Woodrow Wilson was an enthusiastic proponent of the League, the United States did not officially join the League of Nations due to opposition from isolationists in Congress.
Concept note-2: -However, Wilson’s capstone point calling for a world organization that would provide some system of collective security was incorporated into the Treaty of Versailles. This organization would later be known as the League of Nations.
Concept note-3: -The Treaty of Versailles officially ended military actions against Germany in World War I and created the League of Nations, an international organization designed to preserve peace. President Woodrow Wilson, who led the U.S. delegation to the Paris Peace Conference in 1919, was a principal architect of the League.
Concept note-4: -The League of Nations (1920 – 1946) was the first intergovernmental organization established “to promote international cooperation and to achieve international peace and security”. It is often referred to as the “predecessor” of the United Nations.