This is a complex issue.

来源: 中间小谢 于 2022-03-11 13:45:35 [] [旧帖] [给我悄悄话] 阅读数 : (563 bytes)

Wen1 tie3 jun1 has a good point: China needed a deep enough land stretch to absorb the periodic invasions from the north.  大一统 served this strategy well.

The Roman empire, rimmed around the mediterranean sea, was unable to do that, thus failed into fragments.

所有跟帖： 

• 就是説中國人的"没有國，哪有家''是有歴史淵源的。 -中间小谢- ♂ 给 中间小谢 发送悄悄话 (113 bytes) () 03/11/2022 postreply 18:27:08

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