Aside from its change in size, how else did the United States benefit from the Louisiana Purchase?

The Mississippi was no longer controlled by a foreign Power

It gave control of the Ohio River Valley

It was allowed restricted access to the Great Lakes

It allowed Georgia to finally be a colony

I would say the Mississippi was no longer controlled my a foreign power

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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.