Which patriot victory convinced france and spain to support the colonist cause?

The patriot victory in the Battle of Saratoga convinced France and Spain to support the colonists cause.

Explanation:

Before the Battle of Saratoga, the Americans managed to convince the French to join them and fight against the British in order to secure their colonies. The soldiers who fought this war against the British army came to be known as patriots who fought for the protection of the colonies keeping aside the differences. This alliance broke in a few months after the war.

Yes, reasons why is sectionalism compromise of 1850 and secession i hope this