Which of the following began as a "grassroots" special interest group?

Sierra Club

National Rifle Association

National Association of the Advancement of Colored People

all of the above

all of the above

Explanation:

Grassroots interest groups refers to an organization who want to influence the legislative members to create some sort of laws that they deemed as 'ideal'

- Sierra Club

This group was established to influence the government to pass laws that support the protection of the environment.

- National Rifle Association

This group was established to influence the government to pass laws that create less restriction for gun ownership.

- National Association of the Advancement of Colored People

This group was established to influence the government to pass laws that eliminate discrimination toward the colored people.