(A) For the purposes of this section:

“Attorney General” means the Attorney General of the United States;

“Organization” means any group, club, league, society, committee, association, political party, or combination of individuals, whether incorporated or otherwise, but such term shall not include any corporation, association, community chest, fund, or foundation, organized and operated exclusively for religious, charitable, scientific, literary, or educational purposes;

“Political activity” means any activity the purpose or aim of which, or one of the purposes or aims of which, is the control by force or overthrow of the Government of the United States or a political subdivision thereof, or any State or political subdivision thereof;

An organization is engaged in “civilian military activity” if:

(1) it gives instruction to, or prescribes instruction for, its members in the use of firearms or other weapons or any substitute therefor, or military or naval science; or

(2) it receives from any other organization or from any individual instruction in military or naval science; or

(3) it engages in any military or naval maneuvers or activities; or