War Measures Act (Canada)

E788890

Canadian federal statute emergency powers legislation

The War Measures Act (Canada) was a federal law that granted the Canadian government sweeping emergency powers to control the economy, civil liberties, and security during times of war or national crisis.

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All labels observed (6)

Label	Occurrences
War Measures Act	1
War Measures Act (1914)	1
War Measures Act (Canada) canonical	1
War Measures Act implementation	1
War Measures Act regulations	1
World War II internment of anti-conscription activists in Canada	1

How this entity was disambiguated

This entity first appeared as the object of triple T9278123 — 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: War Measures Act (Canada)
Context triple: [Canadian home front during World War I, hasMainSubject, War Measures Act (Canada)]

A. Emergency Powers (Defence) Act 1939
The Emergency Powers (Defence) Act 1939 was a key piece of British wartime legislation that granted the government sweeping authority to make defence regulations and control many aspects of civilian life during World War II.
B. Wartime Elections Act
The Wartime Elections Act was a controversial 1917 Canadian law that expanded the federal franchise to certain female relatives of soldiers while disenfranchising many perceived “enemy alien” voters, significantly shaping the political landscape during World War I.
C. Emergency Powers (Defence) Act 1940
The Emergency Powers (Defence) Act 1940 was a British wartime statute that expanded and renewed the government's authority to make defence regulations and exercise wide-ranging emergency powers during the Second World War.
D. Defence Act 1915
The Defence Act 1915 was Australian wartime legislation that modified the nation’s principal defence law to expand and adapt military powers and administration during World War I.
E. National Defence Act
The National Defence Act is the primary Canadian federal statute that governs the organization, administration, and operation of the Canadian Armed Forces and the Department of National Defence.
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: War Measures Act (Canada)
Target entity description: The War Measures Act (Canada) was a federal law that granted the Canadian government sweeping emergency powers to control the economy, civil liberties, and security during times of war or national crisis.

A. Emergency Powers (Defence) Act 1939
The Emergency Powers (Defence) Act 1939 was a key piece of British wartime legislation that granted the government sweeping authority to make defence regulations and control many aspects of civilian life during World War II.
B. Wartime Elections Act
The Wartime Elections Act was a controversial 1917 Canadian law that expanded the federal franchise to certain female relatives of soldiers while disenfranchising many perceived “enemy alien” voters, significantly shaping the political landscape during World War I.
C. Emergency Powers (Defence) Act 1940
The Emergency Powers (Defence) Act 1940 was a British wartime statute that expanded and renewed the government's authority to make defence regulations and exercise wide-ranging emergency powers during the Second World War.
D. Defence Act 1915
The Defence Act 1915 was Australian wartime legislation that modified the nation’s principal defence law to expand and adapt military powers and administration during World War I.
E. National Defence Act
The National Defence Act is the primary Canadian federal statute that governs the organization, administration, and operation of the Canadian Armed Forces and the Department of National Defence.
F. None of above. chosen

Statements (44)

Predicate	Object
instanceOf	Canadian federal statute ⓘ emergency powers legislation ⓘ
allowedMeasure	censorship of press and mail ⓘ control of manufacturing and production ⓘ regulation of foreign exchange and financial transactions ⓘ
appliedTo	persons designated as enemy aliens ⓘ
associatedWithGovernment	Government of Pierre Elliott Trudeau ⓘ linked to: Liberal Party of Canada government Government of Robert Borden ⓘ linked to: Borden government Government of William Lyon Mackenzie King ⓘ
constitutionalContext	enacted before the Canadian Charter of Rights and Freedoms ⓘ
country	Canada ⓘ
criticizedFor	broad and vague definition of emergency powers ⓘ lack of parliamentary oversight during its use ⓘ violations of civil liberties ⓘ
enactedBy	Parliament of Canada ⓘ
enactmentYear	1914 ⓘ
historicalSignificance	central to Canadian wartime governance in the 20th century ⓘ key example of tension between national security and civil liberties in Canada ⓘ
invocationDate	1914-08-22 ⓘ 1939-09-10 ⓘ 1970-10-16 ⓘ
invokedDuring	October Crisis ⓘ World War I ⓘ World War II ⓘ
jurisdiction	Parliament of Canada ⓘ
legalBasisFor	federal response to the October Crisis (1970) ⓘ internment of German Canadians during World War II ⓘ internment of Italian Canadians during World War II ⓘ internment of Japanese Canadians during World War II ⓘ internment of enemy aliens in Canada during World War I ⓘ
legalNature	enabling act for executive orders and regulations ⓘ
powerGranted	arrest, detain, and deport without normal legal safeguards ⓘ control and censor communications ⓘ control the economy in wartime ⓘ control transportation and trade ⓘ regulate or seize property ⓘ suspend civil liberties ⓘ
purpose	grant sweeping emergency powers to the federal government during war or national crisis ⓘ
repealedBy	Emergencies Act (Canada) ⓘ
repealYear	1988 ⓘ
replacedBecause	need for a rights‑respecting and charter‑compatible emergency framework ⓘ
replacedBy	Emergencies Act (Canada) ⓘ
royalAssentDate	1914-08-22 ⓘ
status	repealed ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Canadian home front during World War I → hasMainSubject → War Measures Act (Canada) ⓘ

Camillien Houde → detentionContext → World War II internment of anti-conscription activists in Canada ⓘ