Which describes Baron Friedrich von Steuben? 
 10 points by the way
 A.
 a former Prussian captain who turned a disorderly Continental Army into a skilled fighting force
 B.
 the Hessian commander of British troops in the South who lost the battle at Yorktown
 C.
 a young German officer on Washington's staff who captured a British fort during the battle at Yorktown
 D.
 the Frenchman who became a general on Washington's staff and his lifelong friend
plz help i need it for today!!!!