Reverend Jesse Jackson Sr.
confederation (source: American studies final)
According to a survey conducted by Pew Research Center in 2019, about 22% of American adults participate in a political organization. This includes involvement in political clubs, parties, or other groups.
The American Indian Movement.
I do not even know a clue
The American Liberty League was an American political organization. It was founded in 1934 and aimed to help the Roosevelt administration. The organization was composed mainly of conservative Democrats.
Truthout is an American news organization that covers political news through its website. Truthout was established in September 2001 and is an NPO (not for profit organization).
The American Protective Association and The Ellis Island Association
Coalition for a Secure Driver's License's motto is 'Working to Protect The Identity of Every American'.
The Conservative Political Action Conference is an event attended by conservative activists. It is hosted annually by the American Conservative Union, which is a Republican organization that advocates conservative policies.
The National Grange
No, the Red Cross is not only an American organization; see the related link. The American Red Cross is an American Organization.
The League of Women Voters is an American political organization founded in 1920 by Carrie Chapman Catt.