Hopeful Signs of Improved International Relations in the 1920s Included

Hopeful signs of improved international relations in the 1920s included all the following EXCEPT

A) smooth functioning of the new League of Nations.
B) the 1921-22 Washington Naval Conference, which produced a ten-year moratorium on new naval battleship or heavy cruisers.
C) the 1925 Locarno Pact in which Germany guaranteed not to violate the borders of any of its neighbors.
D) the admission of Germany into the League of Nations in 1926.
E) the renunciation of war by most powers in the 1928 Kellogg-Briand Pact.