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ships that can break paths through ice |
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a forest of mainly evergreen trees that covers half of Russia |
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title of the emperor of Russia before the Russian Revolution. |
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poor peasant farmers in Russia who worked for lords and were bound to the land |
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local governing bodies of the Soviet Union. |
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a system in which a country tries to produce all the goods that it needs |
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network of prison labor camps in the Soviet Union |
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a zone of frequent boundary changes and conflicts, often located between major powers |
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industry using low-weight material and focusing on the production of consumer goods |
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industry focusing on manufacturing usually based on metals. |
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Factories that process metal ores |
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an element important in metal processing and other industries |
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groups of people traveling together for protection |
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cultivation of a single crop |
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people who move often from place to place |
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the practice of moving herds from mountain pastures in the summer to lowland pastures in the winter. |
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movable, round houses of wool felt mats in Central Asia |
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growing crops that can rely on limited rainfall rather than irrigation |
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