Multiple choice What was the importance of The Northwest Ordinance of 1787? it established reservations for Native Americans it hada process for admission of new states to the Union it ensured universal suffrage for all males it extended slavery north of the Ohio River Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Northwest Ordinance of 1787 established a process for admitting new states from the Northwest Territory, setting precedents for westward expansion and banning slavery north of the Ohio River.