Respuesta :
B) the Northwest Ordinance
The Northwest Ordinance was adopted in July 13, 1787, by the Second Continental Congress. It laid the basis for the government of the Northwest Territory and for the admission of its constituent parts as states into the union.
Answer: B) the Northwest Ordinance
Explanation: The Northwest Ordinance is the reason that the US has fifty states of varying size instead of 20 states with vast land. This act established the procedure by which new territories could become part of the United States.