Final answer:
The Articles of Confederation were necessary because the Declaration of Independence did not establish a structure for governing. The Declaration focused on individual rights, while the Articles provided a framework for a functioning government.
Step-by-step explanation:
The Articles of Confederation were necessary even though the Declaration of Independence had already been written because the latter focused on individual rights and did not provide a framework for a functioning government. The Declaration of Independence outlined a system of government and listed grievances against the British crown, but it did not establish a structure for governing the newly independent colonies. Therefore, the Articles of Confederation were created to outline the powers and limitations of the federal government.
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