What Was James Buchanan's Position on Slavery

What was James Buchanan's position on slavery?

A) He believed it was less important than the preservation of the Union.
B) He believed it should be preserved in the current slave states but prohibited from the territories.
C) He believed it was an issue the legislature ¾ not the courts ¾ had to settle.
D) He believed it had to be abolished immediately.
E) He believed it was wrong, but the federal government had no right to interfere with it.