From https://en.wikipedia.org/wiki/Gun_lobby
Gun Lobby ex Wiki
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Gun politics addresses safety issues and ideologies related to firearms through criminal and noncriminal use. Gun politics deals with rules, regulations, and restrictions on the use, ownership, and distribution of firearms.Gun politics describes a category of politics (international, national, regional, or local) involving and/or addressing firearms that fall into the category of small arms. Generally the topic addresses safety issues and ideologies related to firearms through criminal and noncriminal use. Gun politics encompasses the rules and regulations that define the use, ownership, and distribution of firearms as well as the financial issues such a taxation on their manufacture or import/export tariffs.
Firearm legislation and policy vary greatly around the world. For example, some countries such as South Korea, China, the United Kingdom or Germany, have strict limits on gun possession by private citizens while others, such as Yemen, Switzerland and United States, allow for relatively greater access.
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The Wiki covers a lot of ground & leaves out the bits it does not like.
Armed Resistance To Crime - The Prevalence And Nature of Self Defence - http://www.thefreelibrary.com/Armed+resistance+to+crime%3a+the+prevalence+and+nature+of+self-defense...-a017819459 is rather different:-
It tells us that the Armed Citizen pays off big time while the Department of Justice uses bad statistics knowingly & with malice aforethought.