Hillary Clinton interrupted a roll call vote to ask that he be nominated by acclamation, a carefully choreographed maneuver designed to unite the party after the bitter primary battle between Obama and Clinton.

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The vote in the Democratic House was 339 to 72, and the Republican Senate approved it by acclamation, not deeming it worthy of a roll-call vote.

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Iran was elected by acclamation in April, but later defeated by India when a roll call vote was called.

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