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The state that did not send delegates to the convention is Rhode Island. They decided not to send delegates because they believed that the new federal government would not protect their individual rights and liberties.
Additionally, they were concerned about the power that the larger states would have in the new government. This decision by Rhode Island had consequences as they were not involved in shaping the new constitution and had to decide later whether or not to ratify it.
Ultimately, they did ratify the Constitution but only after it had been ratified by the necessary nine states to become law.
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