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Land Ordinance
a standardized system whereby settlers could purchase title to farmland in the undeveloped west. -
Homestead Act of 1862
several laws in the United States by which an applicant could acquire ownership of government land or the public domain, typically called a "homestead.” -
General Mining Law
law that authorizes and governs prospecting and mining for economic minerals, -
National Park Service
agency of the United States federal government that manages all national parks. -
The United Nations
international governmental organization tasked to promote international co-operation and to create and maintain international order. -
Silent Spring
environmental science book by Rachel Carson. -
Environmental Protection Agency
independent agency of the United States federal government for environmental protection. -
Earth Day Established
annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection. -
Energy Conservation Work Act
develop programs which will increase the conservation and efficient use of energy -
The World Trade Organization
intergovernmental organization that regulates international trade.