Answer: Im not so sure about this but Im 100% sure its not B
Explanation:
The main reason why the march through Belgium helped France is that it won it some time (not much , the Battle of Belgium was only around 2 weeks long) to re-arrange their troops and specifically to move their troops further north to Paris and surroundings.
Most Southerners believed they were naturally better than African Americans and therefore had the right to "own" them, while many Northerners thought it was morally wrong, but some Northerners didn't want the competition of enslaved labor.
A rock that has lost its outer layers
