The answer would be: “Free African American(s) were allowed to enlist in the Union army and Navy.
If they wanted to fight against the confederacy and the slavery supporters then they were allowed to because the Emancipation Proclamation allowed them to join the Union army.
Hope this helps. :)
Weimar Constitution adopted in Germany
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one having to do with these negotiations leading to rebellion in China, since many people were worried about unwanted western cultural influence. </span></span>