Based on the provisions you've listed, here's how they fit with the documents mentioned:
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Required unanimous consent - This provision is part of the Articles of Confederation. The Articles required that any amendments needed the approval of all thirteen states for ratification.
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Regulated the sale of government-owned land to settlers - This is a provision of the Northwest Ordinance. The Northwest Ordinance established a method for admitting new states to the Union and included regulations for the sale of land.
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Created a national government - This corresponds to the US Constitution. The Constitution established a strong national government, replacing the weaker structure under the Articles of Confederation.
Therefore, the correct answers are:
- Required unanimous consent: Articles of Confederation
- Regulated the sale of government-owned land to settlers: Northwest Ordinance
- Created a national government: US Constitution