Answer:
Correct answer is It addressed the need for government in the Northwest Territory and established precedents for future governing of the United States.
Step-by-step explanation:
First option is not correct as this was not solved until the Lincoln's Proclamation of Emancipation.
Second option is not correct as according to it women didn't gain right to vote.
Third option is not correct as this wasn't resolved with the Ordinance.
Only the last option is correct as this is regarded as the most important accomplishment of the Ordinance.