in·sur·rec·tion /ˌin-sə-'rek-shən/ n: the act or an instance of revolting esp. violently against civil or political authority or against an established government; also: the crime of inciting or engaging in such revolt
whoever incites, sets on foot, assists, or engages in any rebellion or insurrection against the authority of the United States...shall be fined not more than $10,000 or imprisoned not more than ten years — U.S. Code
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.