Despite Great Triumphs on the Battlefield and at the Diplomatic

Despite great triumphs on the battlefield and at the diplomatic bargaining table, the Continental Army suffered at Valley Forge because

A) Congress and the civilians responsible for providing for the army were disorganized and indifferent.
B) the military leadership, in order to instill true discipline, drilled the soldiers beyond their endurance.
C) the winter was unusually harsh and the army was compelled to camp outdoors.
D) the soldiers were never told of the victories elsewhere.