Final answer:
The Anti-Federalists did not want to sign-off on the U.S. Constitution without a bill of rights included due to concerns about potential abuse of power by the federal government, which could infringe upon individual liberties.
Step-by-step explanation:
The best explanation for why Anti-Federalists would not sign-off on the U.S. Constitution without a bill of rights included can be found in Textbox 3 of the excerpt. This part highlights their concerns about potential abuse of power by the federal government. They believed that without a bill of rights explicitly protecting individual liberties, the government could infringe upon basic freedoms. For example, they feared the absence of specific guarantees could lead to violations of free speech, religious freedom, and the right to bear arms.
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