Answer:
D. Northwest Ordinance of 1787
Step-by-step explanation:
The NorthWest Ordinance of 1787 was a bill that was passed by the Congres of the Confederation in order to create a government for the North West territories and to create a bill of rights for the settles and inhabitants of those given lands and then a plan and step necessary to accept them into the confederation if they asked for their annexation to the Union.