Congress passes the 19th Amendment, giving women the right to vote. ... The women's suffrage movement was founded in the mid-19th century by women who had become politically active through their work in the abolitionist and temperance movements
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Many fish have an outer covering of scales. Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish.
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