The long march was a tactic of retreat into the mountains so that they could survive because they were facing elimination.
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The Chavín culture also demonstrated advanced skills and knowledge in metallurgy, soldering, and temperature control. They used early techniques to develop refined gold work. The melting of metal had been discovered at this point and was used as a solder. The people domesticated camelids such as llamas.
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This compromise kept the the number of slave and free states equal. This compromise was a package of five separate bills passed by the United States Congress in September 1850. ... It allowed California to enter the Union as a free state.
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