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 ended the period that was known as salutary neglect period. This was a period in which the British crown did not enforce its parliamentary decisions on the colonies, and in return the colonies were obedient. When the two acts were passed, the began getting enforced and people disliked this.
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