Answer:
B) The Agricultural Adjustment Act
Explanation:
In 1936, the Supreme Court declared the AAA to be unconstitutional, stating that "a statutory plan to regulate and control agricultural production, [is] a matter beyond the powers delegated to the federal government".
During the bleeding Kansas situation, C. President Pierce wanted Kansas to become a slave state, but Congress did not.
The term Bleeding Kansas was popularized by the New York Tribune. It referred to the civil confrontations caused by the argument whether to be a slave state or a free state between 1855 and 1861. It included electoral frauds, assaults and raids carried out by pro-slavery "Border Ruffians" and anti-slavery "Free-staters". The Kansas-Nebraska Act of 1854 established that each state would have popular sovereignty in the subject of slavery, this meaning that the settlers had the right to choose and enact whatever government. Several governments were enacted, pro and anti slavery ones, which didn't recognize each other, and four constitutional drafts were passed, until the final one approved by the U.S Congress in 1861, which established Kansas as a free state.
Brown v. Board made segregations in schools illegal.
This would make the answer B.