Aboutunified the cart track车同轨, which ones are right un...
多项选择题Aboutunified the cart track车同轨, which ones are right understanding? A.
It is a policy carried about by Emperor Qin shihuang. B.
It means the cart wheel gauge were unified among the nation. C.
It means the carts of the whole nation were running on the same track. D.
It is also a proverb denoting the country’s unification.
