Protest with tear gas

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Mario Savio quote on protest

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Protest and resistance

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Protesters face tear gas

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Protest against injustice

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Protesters hold banner of stolen lives

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Civil rights march in the 1940s

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Vietnam War protest march

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Protesters with 'Save the Planet' banner

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Protesters with 'Save the Planet' banner

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Protesters with raised fists

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Protest sign for Libya

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Protest sign for workers solidarity

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Protest against war and imperialism

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Protesters on strike in city

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Protesters on strike

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Protester with raised fist

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Protest and resistance

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Women's Strike for Equality

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Protesters face National Guard

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