Grassroots Party was created in 1986.
Building a party at grassroots level means creating a "Green Party"
Grassroots East was created in 1978.
Grassroots - organization - was created in 1986.
Grassroots Projects was created in 2005.
Da Grassroots was created in 1989.
It means the bottom level of an organization, or movement -- especially applied to political activities. The grassroots are contrasted with the party bosses and a grassroots movement is one that springs from the little people in the party.
Grassroots Business Fund was created in 2008-06.
Republican. To be more specific, conservative grassroots republicans.
The Libertarian Party
Formation of grassroots party
So you can have standing arguments to back you up
Independent Green Voice was created in 2003.