Why was the American victory at the Battle of Saratoga significant?

A stupendous American victory in October 1777, the success at Saratoga gave France the confidence in the American cause to enter the war as an American ally. Later American successes owed a great deal to French aid in the form of financial and military assistance.

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the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.

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