The northwest ordinance of 1787 most influenced the development of this region by: group of answer choices allowed slavery in all 5 states established rules of trade between the northwest territory and canada made arrangements to give native americans claim to the land integrating the northwest territory into the national economy

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to

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