唐代在西域开设56屯，约28万亩田地。大兴屯垦，确保丝路安全和人员饮食供给。()

The phrase ( ) means 'law that prescribes the procedures and methods for enforcing rights and duties and for obtaining redress'.lawB、civil lawC、common lawD、substantive law

A、procedural

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789年，悟空取道xq回国时，因河西走廊被吐蕃控制，该从“回鹘道”返回长安。路线是疏勒→于阗→安西→北庭→蒙古草原→“参天可汗道”→长安。() 点击查看答案