I think it's Indus. I looked it up and it said that it 'developed in the 3rd millennium BCE, making it one of the earliest of the world's civilizations.'
Answer:
The Battle of Saratoga was a turning point in the American Revolution. It gave the Patriots a major morale boost and persuaded the French, Spanish and Dutch to join their cause against a mutual rival.
Explanation:
It would be c I just had it