They were drastically different. Hopes this helps
A.<span>United States Sanitary Commission</span>
It is the United States "Senate" that limits the president's ability to nominate federal judges, since one of the jobs of the Senate is to "confirm or deny" such appointments.
<span>The United States lost thousands of soldiers fighting the insurgency.
I triple checked this answer and It's correct.
Source: Myself</span>
The correct answer is letter C.
Explanation: In this quote <em>"The American continents . . . are henceforth not to be considered as subjects for future colonization by any European powers."</em>
The answer it will be The United States had become the dominant world power.