Lincoln was trying to appeal to Southern voters by picking Andrew Johnson as his running mate. These two men were actually very different politically speaking. Lincoln was a Republican, Andrew Johnson was a Democrat. Lincoln was from the Midwest US, Andrew Johnson was from Tennessee.
Lincoln knew that having a Democratic Vice President who once represented a Confederate state (Tennessee) would allow his presidency to appeal to a wider range of voters.
D.
The rest seem wrong.
It could be B though
The President's Challenge Program is a fitness evaluation designed for "<span>elementary and high school students" since the President and First Lady believe that it is important to correct bad eating habits early in life.</span>
I think its the first one since the british believed that the loyalist would hold their territory