Social proof and the idea of a nation as an imagined community.

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"Sabah was always part of their real and imagined community, " Ms. Gloria says, pointing out that migrants from the southern Philippines now living in modern-day Sabah often refer to themselves as Suluks rather than Filipinos.

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Sinn Fein's Mitchel McLaughlin said the "impact on a small rural community can only be imagined".

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