《战国策·东周·赵取周之祭地》
于是赵国便归还了东周的祭地。
赵乃还之。
So Zhao returned the sacrificial land to East Zhou. 
<s>[INST] Kindly elucidate the central themes in this passage in English: 赵乃还之。 [/INST] So Zhao returned the sacrificial land to East Zhou. </s>
Kindly elucidate the central themes in this passage in English: 赵乃还之。
user
So Zhao returned the sacrificial land to East Zhou.
assistant