<span>he created a bureaucracy.
</span>
(1) For the defendant to be able to defend himself or herself against specific charges and (2) For the court to know if there is enough evidence to convict the defendant.
According to the statement above: "Which of the following political groups had its efforts to find a compromise over slavery effectively ended by Taney's decision in the Dred Scott case?"
The answer is: Northern democrats.
Hope this helps.