Which document served as a written constitution?

In 1787, Congress authorized delegates to gather in Philadelphia and recommend changes to the existing charter of government for the 13 states, the Articles of Confederation, which many Americans believed had created a weak, ineffective central government.

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The Articles of Confederation

Explanation:

After looking from the text of the last answer I deciphered that The Articles of Confederation was the document served as the written constitution...

what are local authorities doing to fix the problem

explanation:

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years