Your answer is wrong and I have no idea why your talking about feminism. But anyway the affect of surprise was that the natives Americans enemy wouldn't have time to prepare so the losses/casualties for the enemy would be heavy,also using the element of surprise would also most likely scare enemy soldiers, and they would be distracted and confused as well.
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I think the demand for that specific produce
From what ive learned its false
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Dude is it not written there in your book?