All of the following statements about the northwest ordinances are true except: . a. they outlawed slavery in the northwest territory.. b. there were four northwest ordinances passed between 1783 and 1790.. c. they divided the land into 36 square-mile parcels with the center of each parcel designated as land for a schoolhouse.. d. they were a framework of government for the land that is now ohio, indiana, illinois, michigan, wisconsin, and part of minnesota.