Which document formally ended World War II in the Pacific and required Japan to surrender unconditionally?

• A. The Potsdam Declaration
• B. The Instrument of Surrender
• C. The Treaty of Versailles
• D. The Lend-Lease Agreement

Answer: (A)

Unconditional surrender and the path to ending the war in the Pacific came from the Potsdam Declaration. Issued by the United States, Britain, and China at the Potsdam Conference in July 1945, it explicitly demanded Japan surrender unconditionally and outlined the terms of the postwar order—disarmament, occupation, accountability for war crimes, and political and economic reforms. It wasn’t the act of surrender itself, but it established the conditions under which Japan would cease fighting and reshape the region afterward. Japan initially rejected the declaration, and the war continued for a short while longer, until it ultimately capitulated and the formal surrender took place later in September 1945. The other documents don’t fit the question: the Instrument of Surrender is the actual surrender document, not the terms that required unconditional surrender; the Treaty of Versailles ended World War I; and the Lend-Lease Agreement was wartime aid.