The following were true of slave codes, Except: O They did not allow African Americans to congregate.
O They allowed African Americans to learn to read and write.
They were more stricity enforced after Nat Turner's rebellion.
O They made it practically impossible for an owner to free his slaves.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.

climate change is the big reason to the decline of the indus valley which also caused floods. so i dont know what answer would best fit the description thats just what i found online! have an awesome

because he is a great ruler