The Northwest Ordinance require republican constitutions because they need the constitution that will back up the how to admit a new state to the Union.
The constitution can be described as the basic principles as well as laws that is been used by those in government to govern the affairs of the nation as well as the state, or social group.
It should be noted that this help to guarantee certain rights to the people of the states, however regarding the case of the question, the Ordinance can be dated back to the year 1787, whereby the Northwest Ordinance were able to come up for those that will be ruling the Northwest Territory however they needed the law that will help them for the admission of the a new state to the Union.
In conclusion, Northwest Ordinance require republican constitutions because they need the constitution that will back up the how to admit a new state to the Union.
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