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Find the rectangular equation for the surface by eliminating parameters from the vector-valued function. Identify the surface.
Militia
A military force that is raised from the civil population to supplement a regular army in an emergency.
Neutral Shipping
The practice of merchant ships from neutral countries conducting trade without engaging in hostilities during a time of war.
American Revolution
The historical period (1765-1783) in which the Thirteen Colonies in North America won independence from Great Britain, leading to the formation of the United States.
Russia
The largest country in the world, spanning Eastern Europe and northern Asia, known for its rich history, cultural heritage, and as a major player in global politics.
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