The list you provided contains various provisions related to important historical documents in the United States. Here's how they correspond to each document:
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Required unanimous consent from all states for amendments - This provision is found in the Articles of Confederation. Under the Articles, any amendments required the agreement of all thirteen states.
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Regulated the sale of government-owned land to settlers - This is a key feature of the Northwest Ordinance. The Northwest Ordinance established a framework for settling and governing the Northwest Territory and included provisions for the sale of land to settlers.
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Consisting solely of a single house of Congress in which each state would have one vote - This is also a provision associated with the Articles of Confederation. The Articles established a unicameral legislature where each state had one vote, regardless of its size or population.
The US Constitution established a bicameral legislature and addressed many issues not covered by the Articles, while the Declaration of Independence was a statement declaring the colonies' intention to separate from British rule, rather than a governing document.
Based on this analysis, the best matches for your provisions would be:
- Required unanimous consent from all states for amendments: Articles of Confederation
- Regulated the sale of government-owned land to settlers: Northwest Ordinance
- Consisting solely of a single house of Congress in which each state would have one vote: Articles of Confederation.