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the claim

The attack on Pearl Harbor caused the start of World War II.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 4 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the attack on Pearl Harbor caused the start of World War II?

No. Two reference works state that World War II was already under way before the Pearl Harbor attack: one notes the US was a neutral country in World War II at the time, and an official USGS history dates the war's beginning to Europe in September 1939. A peer-reviewed article and an encyclopedia entry describe the attack as prompting US entry and a turning point, not the war's start.

Verdict: REFUTED · 0 sources for, 4 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 4
Attack on Pearl Harbor
Get citation
Attack on Pearl Harbor. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Attack_on_Pearl_Harbor

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More against · 3
Pearl Harbor
Get citation
Pearl Harbor. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Pearl_Harbor

ATTACK ON PEARL HARBOR – DECEMBER 1941
2024
Get citation
BUȚA, V. & MELINTE, A. F. (2024). ATTACK ON PEARL HARBOR – DECEMBER 1941. aos.ro. https://www.aos.ro/wp-content/anale/MTVol16Nr1Art.8.pdf

A history of the Water Resources Branch of the United States Geological Survey: volume 4, years of World War II, July 1, 1939 to June 30, 1947
1939
Get citation
A history of the Water Resources Branch of the United States Geological Survey: volume 4, years of World War II, July 1, 1939 to June 30, 1947. (1939). pubs.usgs.gov. https://doi.org/10.3133/70156886

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