1）有利于对元朝辽阔疆域的管辖,特别对边疆地区的有效管辖,促进了统一多民族国家的发展.
2）是自秦开创郡县制以来,地方行政体制的又一重大变革,是中国省制的开端,对后世影响深远.明清时期,行省的设置依然沿用.
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