The best choice would be D.
After the surrender of the Confederate Army, Lincoln is extremely conciliatory to the South. The reason why he does this is because he wants the Confederate States to rejoin the United States in a way that will help the country move forward peacefully.
With this in mind, Lincoln introduces the 10% plan. Only 10% of citizens within a particular state had to vote in agreement to join the United States again. The only condition of rejoining the US that the citizens had to agree to was the promise to never secede from the US again. This plan made it easy for the Southern states to rejoin.
The answer would be C. The American colonies
The Democratic Party lost popularity and the 1952 election because of U.S. involvement in Korea. The heavy cost of the war in terms of money and American lives and the failure to win the war were partial reasons for the loss.
