use participate in a sentence.
The word participate is vague and open to interpretation, but as stated, "Campaign" is defined by the rules and regulations of the DNC.
All you have to do to participate is to send him an email with a specific keyword when he is giving away a particular set of books.
The only thing you need to do in order to participate is to be one of the first five to reply to this, AND post this entry on YOUR live journal - 'cause its fun to give people stuff.
I think that there are enough efforts to sabotage the 2010 census, including the suggestion that the results will be “misused,” that any effort to get people to participate is justified at this point.
In each Revolution, the infrastructure required to participate is progressively smaller.