《战国策·韩二·谓新城君曰》
秦国、楚国挟持韩国逼迫魏国，魏国不敢向东联合齐国，这样齐国就孤立了。
秦、楚挟韩以窘魏，魏氏不敢东，是齐孤也。
The Qin Kingdom and the Chu Kingdom held the Han Kingdom and forced the Wei Kingdom. The Wei Kingdom did not dare to join forces with Qi to the east, so Qi was isolated.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 秦、楚挟韩以窘魏，魏氏不敢东，是齐孤也。 [/INST] The Qin Kingdom and the Chu Kingdom held the Han Kingdom and forced the Wei Kingdom. The Wei Kingdom did not dare to join forces with Qi to the east, so Qi was isolated.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 秦、楚挟韩以窘魏，魏氏不敢东，是齐孤也。
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The Qin Kingdom and the Chu Kingdom held the Han Kingdom and forced the Wei Kingdom. The Wei Kingdom did not dare to join forces with Qi to the east, so Qi was isolated.
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