The established the United States of America. It provided a central federal government with limited powers, including the power to wage war, but not the power to raise its own taxes or regulate commerce.

The Articles of Confederation.

Explanation:

It was an agreement reached by the 13 American colonies that served as a temporary constitution and provided the basis for a temporary federal government. It was approved by the Second Continental Congress on November 15, 1777.

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.