Insurrection Act, plenary power, martial law and more expla

Understanding Key Terms: Insurrection Act, Plenary Power, and Martial Law

The discussion around President Donald Trump's plans to deploy the National Guard in U.S. cities has brought to light several important political terms.

These terms include martial law, plenary authority, and the Insurrection Act, which have been mentioned in the context of Trump's potential actions.

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When questioned about the possibility of invoking the Insurrection Act, Vice President JD Vance stated that Trump is "looking at all his options."

A recent comment on NBC's "Meet the Press" highlighted Trump's considerations to send the National Guard to Democratic cities like Portland and Chicago.

Author's summary: Exploring the Insurrection Act and its implications.

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PolitiFact PolitiFact — 2025-10-15