The relationship between<span> Great </span>Britain<span> and the </span>colonies<span> began to fray and eventually </span>fall apart<span> because of the taxes that Great </span>Britain<span> placed on.
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The main impact of the Anti-Federalists on the adoption of the US Constitution was that "<span>Their concern for preserving liberty led to the inclusion of the Bill of Rights in the ratified form of the Constitution," since they were worried that this new government would become tyrannical. </span>
It should be A. a secondary source
This is because biographies are texts in which someone writes about someone else's life
Since the writer didn't experience it firsthand it makes it a secondary source