《资治通鉴·后晋纪·后晋纪二》
后晋高祖认为大梁是船车所汇聚的地方，便于漕运，丙辰，在汴州建立东京。又把汴州立为开封府，把东都洛阳立为西京，把西都长安归为晋昌军节度。
帝以大梁舟车所会，便于漕运，丙辰，建东京于汴州，复以汴州为开封府，以东都为西京，以西都为晋昌军节度。
Later Jin Gaozu believed that Daliang was a place where ships and carts gathered, which was convenient for漕运, Bingchen, built Tokyo in Bianzhou. Bianzhou was also established as Kaifeng Prefecture, Dongdu Luoyang was established as Xijing, and Xidu Chang'an was returned to Jinchangjun Jiedu.
<s>[INST] Kindly elucidate the central themes in this passage in English: 帝以大梁舟车所会，便于漕运，丙辰，建东京于汴州，复以汴州为开封府，以东都为西京，以西都为晋昌军节度。 [/INST] Later Jin Gaozu believed that Daliang was a place where ships and carts gathered, which was convenient for漕运, Bingchen, built Tokyo in Bianzhou. Bianzhou was also established as Kaifeng Prefecture, Dongdu Luoyang was established as Xijing, and Xidu Chang'an was returned to Jinchangjun Jiedu.</s>
Kindly elucidate the central themes in this passage in English: 帝以大梁舟车所会，便于漕运，丙辰，建东京于汴州，复以汴州为开封府，以东都为西京，以西都为晋昌军节度。
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Later Jin Gaozu believed that Daliang was a place where ships and carts gathered, which was convenient for漕运, Bingchen, built Tokyo in Bianzhou. Bianzhou was also established as Kaifeng Prefecture, Dongdu Luoyang was established as Xijing, and Xidu Chang'an was returned to Jinchangjun Jiedu.
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