Europeans carried a hidden enemy to the Indians: new diseases. Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians.
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1.) They had the French on their side.
2.) Guerilla Warfare.
Guerilla Warfare is a sort of petty type of combat - they ambush, use sneak attacks, etc.
Answer:
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Explanation: