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Soviet Union
A former federal socialist state in Eastern Europe and Asia, existing from 1922 until its dissolution in 1991, known for its centralized economy and government.
Public Good
A good that is non-excludable and non-rivalrous, meaning it can be consumed by many people simultaneously without reducing its availability to others.
Tennessee Valley Authority
A federal agency established in 1933 to reduce flood risk, produce electrical power, and improve economic conditions in the Tennessee Valley region.
Lighthouse
A tower with a powerful light at the top, positioned at a significant or dangerous navigational point to aid maritime pilotage.
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