Answer:
C
Explanation: im taking the test right now and this is what i chose
Taney became best known for writing the final majority opinion in Dred Scott v. Sanford, which said that all people of Africa descent, free or slave, were not Untied States citizens and therefore had no right to sue in federal court. In effect, this meant that congress had congress had no power to prevent the spread of slavery
Freedom of speech (i don't know whats your question exactly).
hope this helps :)
Answer:
The first presidential election in which the District of Columbia participated was the election of 1964.