Please check all that apply. The success of the German attack that led to the Battle of the Bulge (Ardennenoffensive) depended on which factors?多项选择题

Bad weather grounding Allied airplanes.

Secrecy to transport troops and weapons to the Ardennes region at the border of Germany, Belgium and France.

Reaching Antwerp to slow down Allied supplies mostly shipped through this port.

Capturing Allied supplies, particularly fuel depots.