That answer is no where near being close. In the late 1800's the were starting to be able to go to public schools even though they still had to work in factories.
That meant that the South would have been starved of supplies and would have been forced to surrender.
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.
I believe the answer is C
