Answer:
Germany declared war on France. To avoid the French fortifications along the French-German border, the troops had to cross Belgium and attack the French Army by the north. Of course, Belgians refused to let them through, so the Germans decided to enter by force and invaded Belgium on Aug. 4, 1914
Explanation:
I believe its c. hope this helps...
ECONOMIC:
-too many currencies
ADMINISTRATIVE:
-no national military
-no one to enforce laws
LEGISLATIVE:
-one vote per state
-difficult to amend