What does AR mean in US Government?

This page is about the meanings of the acronym/abbreviation/shorthand AR in the Governmental field in general and in the US Government terminology in particular.

American Revolution

American War for Independence from Great Britain, fought from 1775 to 1783.

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Definition

What does AR mean?

argon, Ar, atomic number 18(noun)
a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

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"AR." Abbreviations.com. STANDS4 LLC, 2015. Web. 27 Mar. 2015. <http://www.abbreviations.com/term/1383110>.