The Battle of Saratoga Was a Key Victory for the Americans

The Battle of Saratoga was a key victory for the Americans because it

A) brought the British to offer recognition of colonial independence.
B) brought the colonists much-needed aid and a formal alliance with France.
C) prevented the fighting from spreading into the southern colonies.
D) prevented the colonial capital from being captured by the British.
E) kept Benedict Arnold from joining the British.