《明史·志·卷五十五》
又设置北平、密云诸县仓库，储备粮食以供应北征。
又设北平、密云诸县仓，储粮以资北征。
Also established warehouses in various counties in Beijing and Miyun to store grains in order to supply the northern expedition.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 又设北平、密云诸县仓，储粮以资北征。 [/INST] Also established warehouses in various counties in Beijing and Miyun to store grains in order to supply the northern expedition.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 又设北平、密云诸县仓，储粮以资北征。
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Also established warehouses in various counties in Beijing and Miyun to store grains in order to supply the northern expedition.
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