United States entry into World War II
E1511079
UNEXPLORED
The United States entry into World War II was the moment in December 1941 when the U.S. formally joined the global conflict, transforming it into a truly worldwide war and marking a major turning point in 20th-century history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U.S. was not yet a full belligerent in World War II | 1 |
| United States entry into World War II canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21973216 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United States entry into World War II Context triple: [Puʻuloa (Pearl Harbor), attackResult, United States entry into World War II]
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A.
United States in World War II
The United States in World War II was a major Allied power whose vast industrial, military, and logistical contributions were decisive in defeating the Axis powers in both the European and Pacific theaters.
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B.
United States home front during World War II
The United States home front during World War II encompasses the social, economic, and political mobilization of American civilians, industry, and government agencies to support the war effort, including major shifts in labor, civil rights, and daily life.
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C.
British declaration of war on Germany
The British declaration of war on Germany was the formal act on 4 August 1914 by which the United Kingdom entered World War I in response to Germany’s invasion of Belgium and France.
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D.
United States Armed Forces in World War II
The United States Armed Forces in World War II were the combined military branches of the U.S. that mobilized on a massive scale to fight the Axis powers across Europe, the Pacific, North Africa, and Asia, playing a decisive role in the Allied victory.
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E.
Lend-Lease program
The Lend-Lease program was a World War II U.S. initiative that supplied Allied nations, especially Britain and the Soviet Union, with vital military aid and materials to support their fight against the Axis powers.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United States entry into World War II Target entity description: The United States entry into World War II was the moment in December 1941 when the U.S. formally joined the global conflict, transforming it into a truly worldwide war and marking a major turning point in 20th-century history.
-
A.
United States in World War II
The United States in World War II was a major Allied power whose vast industrial, military, and logistical contributions were decisive in defeating the Axis powers in both the European and Pacific theaters.
-
B.
United States home front during World War II
The United States home front during World War II encompasses the social, economic, and political mobilization of American civilians, industry, and government agencies to support the war effort, including major shifts in labor, civil rights, and daily life.
-
C.
British declaration of war on Germany
The British declaration of war on Germany was the formal act on 4 August 1914 by which the United Kingdom entered World War I in response to Germany’s invasion of Belgium and France.
-
D.
United States Armed Forces in World War II
The United States Armed Forces in World War II were the combined military branches of the U.S. that mobilized on a massive scale to fight the Axis powers across Europe, the Pacific, North Africa, and Asia, playing a decisive role in the Allied victory.
-
E.
Lend-Lease program
The Lend-Lease program was a World War II U.S. initiative that supplied Allied nations, especially Britain and the Soviet Union, with vital military aid and materials to support their fight against the Axis powers.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: United States entry into World War II