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Congress couldn't raise revenue by direct taxation in the U.S.
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An act to secure homesteads to actual settlers in the public domain.
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Federal law the allows mining for economic minerals.
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An agency of the federal government that manages all national park and monuments.
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An international organization of countries to promote international peace, security, and cooperation.
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An environmental science book written by Rachel Carson
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It demonstrates support for environmental protection.
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Agency in the executive branch charged with controlling environmental pollution.
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The goals fort the ECWA are to increase energy production and supply, reduce energy demand, provide energy efficiency, and give the executive branch additional powers to respond to disruptions in energy supply.
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An intergovernmental organization that regulates international trade.