I think the answer is d. The slave owners could keep the slaves working in the field by turning them in because they were jobless. It was illegal back them to be jobless. The thirteenth amendment said you could not be a slave unless you were a prisoner.
If you need more help look up thirteenth amendment
<span>A.in 1854, when the Kansas-Nebraska Act passed and became law.
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Tribunes were elected officials of various types in the Roman Republic. There were tribunes of the plebeians and the military. Tribunes placed a check on the authority of the Senate and the annual magistrates.
<span>D) The federal government imposed heavy taxes on goods transported from one state to another</span>