Final answer:
Under the Articles of Confederation, at least nine states had to agree on decisions of important national matters for the government to take action.
Step-by-step explanation:
Under the Articles of Confederation, for the government to take action, at least nine states had to agree on decisions of important national matters. This was a requirement to ensure that major decisions were supported by a sufficient number of states. It provided a checks and balances system, as it prevented any one state from having too much power and allowed for a more democratic approach to decision-making.
Learn more about Articles of Confederation