I think the answer is d but I'm not sure
Answer:
The Battle of Antietam (also known as Sharpsburg)
Explanation:
Lincoln was given the opportunity after the victory in September, 1862. He waited for this due to advice from his cabinet and the political nature of the proclamation.
The first three are we the people. but the whole phrase is <span>We the People of the United States</span>
The answer is A. Social Darwinism