If you are regarding MLK Jr. Then answer b is the best answer. I'm sorry if this is not the answer you were looking for
The United States practiced a capitalism. The United Soviet Socialists Republic practiced socialism.
Lincoln was worried about Kentucky, Missouri, Maryland, and Delaware because they were all border states during the civil war. He was worried that they would transform into complete slave states. If they did, the north wouldn’t have much more land and the north would have lost the civil war. He wanted to contain them.
