而且那時東北的人口可能很少,農業經濟也弱
所有跟帖:
• 按說有那麽大的平原可耕地,應該發達,壯大。 -鐵甲連環馬- ♂ (0 bytes) () 12/30/2019 postreply 13:31:12
• 東漢末年到三國人口大減。東北人口就更少了 -日暮鄉關- ♂ (0 bytes) () 12/30/2019 postreply 13:46:52
• 按說有那麽大的平原可耕地,應該發達,壯大。 -鐵甲連環馬- ♂ (0 bytes) () 12/30/2019 postreply 13:31:12
• 東漢末年到三國人口大減。東北人口就更少了 -日暮鄉關- ♂ (0 bytes) () 12/30/2019 postreply 13:46:52
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