I know u don't have choices here but the answer that I got was option D. Rulings by judges in previous cases. Hope this helps
Answer: Lincoln was giving the Union an additional, stronger reason for fighting and winning the war. He was also adding another source of soldiers for the Union Army, and blocking foreign powers from allying with the Confederacy.
Lincoln didn't free slaves in all the United States because he wanted to retain the loyalty of some states which had slavery but were loyal to the Union.
Is the blog post a primary or secondary source?
Secondary
Is the blog post a credible or not credible source?
Not credible
Is the blog post a biased or neutral source?
Biased
Answer:
California Gold Rush, 1849