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Why does the united states constitution require that a national census be taken every ten years?

Which of the following statements about the effects of subliminal stimuli is most accurate? subliminal stimuli have no effect on attitudes or behavior. subliminal stimuli can lead people to vote for political candidates they do not support. subliminal exposure to thirst-related words can lead thirsty people to drink more. subliminal stimuli can lead people to violate deeply held values.

This territory was the site of numerous spanish missions but was severely depopulated in the 17th century by infectious disease and warfare with other indian tribes