In Light of Future Evidence,it Seems Apparent That in the Compromise

In light of future evidence,it seems apparent that in the Compromise of 1850 the South made a tactical blunder by

A) allowing a ban on the slave trade in Washington, D.C.
B) demanding a strong fugitive-slave law.
C) not insisting on federal protection of slavery in the territories.
D) allowing the admission of California as a free state.
E) allowing popular sovereignty in Nebraska territory.