The provisions described in your list relate to the Articles of Confederation.
- The requirement for unanimous consent from all states for amendments is a key feature of the Articles.
- The regulation of the sale of government-owned land to settlers relates to legislation passed during the period of the Articles.
- The structure of a national government consisting solely of a single house of Congress with one vote per state is also a characteristic of the Articles of Confederation.
So, the correct response is Articles of Confederation.