Which early hominid species is believed to be first to leave africa

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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so what is your question?

it made them more prductive and efficent but with the change of polcies less and les got into the navy