Why was the battle of Saratoga a turning point in the war?

AIt forced the British to abandon their southern strategy.
BThe British realized their northern strategy had failed.
CIt was a draw, but showed the colonists could stand their ground.
DThe French decided to help the British.

I chose D, but said it was incorrect.


Help please.

Verified Answer :

The answer is letter B. The turning point in the battle of Saratoga was the British realized that their northern strategy had failed. The British troops crashed in the southern town of Saratoga, Albany where they were defeated and captured by the Americans. This convinced the French government to enter the was as their ally.