The provision that was not required to be an American citizen according to the 1790 Naturalization Act is "one had to be a free person to apply to become a citizen."
This is because the 1790 Naturalization Act excluded non-white people or those from not Western Europe from becoming citizens, regardless of whether they were free or not.
However, the provisions that must be met include the following:
Hence, in this case, it is concluded that the correct answer is option A.
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