Which precedent was set by the northwest ordinance and later included in the u. s.
constitution?

Northwest Ordiance prohibited slavery and that provision was later included into the US constitution as Amendment 13

Explanation:

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

the answer is true sir