The Fugitive Slave Act a. forbade individual American citizens to assist in the capture of fugitive slaves and instead initiate contact with the federal agents involved. b. allowed federal commissioners to determine the fate of fugitives without the benefit of a trial or testimony by the accused individual. c. ended the decisive controversy surrounding fugitive slaves. d. allowed local authorities to interfere with the capture of fugitives only if the individuals were from the same state.

d. allowed local authorities to interferer with the capture of fugitives only if the individuals were from the same state.

Explanation:

The Fugitive Slave Act demanded that the US government actively help in recapturing escaped slaves.

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.