Answer:
The correct answer is C. Two outcomes of the Lincoln-Douglas debates were the clarification of issues related to slavery and national prominence for Lincoln.
Step-by-step explanation:
The Lincoln-Douglas Debates were a series of public debates between Abraham Lincoln and Stephen A. Douglas in the election campaign of the Senate in 1858 in the state of Illinois.
Lincoln was the candidate of the only four years previously founded Republican Party, Douglas joined again for the Democratic Party. He had already won his Senate seat in the elections of 1846. The election campaign lasted from July to November 1858.
The campaign ended with a Lincoln defeat. On December 5, 1859 Douglas was re-elected to the Senate in a joint session of the Senate and House of Representatives of Illinois, since before the adoption of the 17th Amendment, the senators were not directly elected. The Democrats had the majority in both houses, although the Republicans in the election on November 2, 1858 had received more votes overall. In the long term, the debates were a success for Lincoln, because by the national prominence that they brought to the hitherto little known lawyer from Illinois, they opened the chance for him to be elected two years later President of the United States.