The issues behind the Compromise of 1850 included all of the following EXCEPT A)
enforcing of the fugitive Slave Act.
B)
the ruling in the "Dred Scott" case.
C)
territorial disputes involving Texas.
D)
the policy regarding slavery in the territories.

The Compromise of 1850 consist of various laws , and those were dealing with slavery and increases the expansion of territorial .

After the Mexican war the new territory began to join the America and making the California free from the slavery  and hoping to avoid the Civil war by compromising .

Farmer start opposed to the extension of Slavery  and want total freedom from this and want different laws for each territories.

For more information on Compromise , please refer the below link :

link

Option: B) the ruling in the "Dred Scott" case.

Explanation:

The Compromise of 1850 reduced the political dispute between slave and free states (the South and the north). The Compromise of 1850 tried to settle conflicts over slavery as new territories joined America after the Mexican-American War. It admitted California as a free with no slavery, left New Mexico and Utah to decide themselves. It made it easier for slave owners to reclaim runways following the Fugitive Slave Act of 1850.

really and truely i dont know sorry