Prevent is to know what an act of terrorism, extremism or any other hate crime is and know the correct steps to prevent it from happen. These steps are Recognize, Share and Report.
People can become radicalized by having strong beliefs within a certain topic such as religion, race and culture, then having conflict with individuals who have a different opinion or belief.
Some signs of someone becoming radicalized is if they attitude, they participate in certain activities anymore and personality start changing. That they become more secretive and get triggered more easily to anything that could spark a debate within their beliefs.
A creative way to help the prevent strategy is if are create more of a media outcry about it. Things such as having posters around public places to catch peoples eyes. To create more documents about it on television and radio.