If hal jordan and jonathan stewart wanted to influence the government about green peace they could do a/an in which they would organize events such as a march, speakers, and even concerts in which large groups would gather to support their cause.

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he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.