what were the activities that laurie implemented in order to prevent the spread of the wave?

First, Laurie spoke to her parents. After talking to her mom and dad, she felt more comfortable in voicing her worries amongst her friends and classmates. Laurie spoke out against the Wave, included an editorial in the school newspaper, refused to do the "wave" in order to gain access to a game, fought with her boyfriend and personally confronted Mr. Ross with her concerns.