Which individual was NOT one of the "Big Four" African Americans who shaped the civil rights struggle in the 1950s and 1960s?

Constructivists argue that international politics is not anarchic

a. True b. False

After the Taney decision, the states polarized on the issue of slavery, leading to __________

a. the election of President Douglas b. the Twelfth Amendment c. the American Civil War d. a ban on slavery