专制主义中央集权是中国古代政治制度的核心,它的确立、完善和不断加强,反映了封建专制制度发展的基本轨迹。结合有关史实回答:
(1)专制主义中央集权的核心是什么?其发展过程中的两对矛盾是什么?
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(2)以唐朝和明朝为例,说明统治者是如何解决皇权矛盾的?
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(3)专制主义中央集权的不断加强在我国历史上有何积极影响?又有何消极影响?
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