都是单一民族国家,美国有点特殊.
所有跟帖：
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好角度。是不是资源缺乏的国家，只能靠单一民族国家强大的凝聚力，内生发展，或者外出抢劫？
-easycity-
♂
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02/25/2023 postreply
19:56:57
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