这位领导人的中央集权政策削弱了地方政府的自治权。

The leader's ___centralist approach reduced local governments' autonomy.

这位政治家是一个坚定的中央集权主义者，主张将所有重要决策权集中在中央政府。

The politician is a strong ___centralist, advocating that all major decisions should be made by the central government.