Why did Congress enact the Northwest Ordinances?

Northwest Ordinances, also called Ordinances of 1784, 1785, and 1787, several ordinances enacted by the U.S. Congress for the purpose of establishing orderly and equitable procedures for the settlement and political incorporation of the Northwest

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.

they thoght they were going to nuke each other