(A) ** The Washington Conference 1921-22
(B) Treaty of Rapallo
(C) Locarno Pacts 1926
(D) Kellogg-Briand Pact 1928
EXPLANATIONS BELOW
Concept note-1: -The final multilateral agreement made at the Washington Naval Conference was the Nine-Power Treaty, which marked the internationalization of the U.S. Open Door Policy in China.
Concept note-2: -The conference ultimately adopted the 5:5:3 ratio limits. Since the United States and the United Kingdom maintained navies in both the Pacific and Atlantic Oceans to support their colonial territories, the Five-Power Treaty allotted both countries the highest tonnage allowances.
Concept note-3: -The Washington Naval Treaty, also known as the Five-Power Treaty, was a treaty signed during 1922 among the major Allies of World War I, which agreed to prevent an arms race by limiting naval construction.
Concept note-4: -Held at Memorial Continental Hall, in Downtown Washington, it resulted in three major treaties: Four-Power Treaty, Five-Power Treaty (more commonly known as the Washington Naval Treaty), the Nine-Power Treaty, and a number of smaller agreements.