Which of the following institutions completes the excerpt below?
The ________ is in operation. I am in favor of going in. This is the supreme test. Shall we act in concert with the free nations of the world in setting up a tribunal which would avert war in the future? …We must say in language which the world can understand, whether we shall participate in the advancement of a cause which has in it the hope of peace and world reconstruction, or whether we shall propose to follow the old paths trod by the nations of Europe — paths which always led to fields of blood.
A.League of Nations
B. Mandate System
C. Bolshevik Revolution
D. Union of Soviet Socialist Republics