B. is the correct answer I took the test.
In 1854 and 1861 there was a series of violent civil confrontations in Kansas territory. They call it Bleeding Kansas because of the blood shed by pro-slavery and anti-slavery groups.
It was not true of the Confederacy during the Civil War that "<span>(D) It was plagued by large slave uprisings," since in fact there were relatively few slave uprisings in the South during the War itself. </span>
