The question is easy if you read the passage twice. The passage mentions hybrid organizations and says that it is easy for hybrid organizations to attract people, than it is for non-hybrid organizations. Option 3 goes out because it broadly focuses on 9/11, which is just a minor detail as an example of hybrid organizations attracting more people. Option 2 does not even talk of hybrid organizations, it has to go out. Option 1 is a misrepresentation. While hybrid organizations do attract people from anti-war movements, these movements are just an example. These hybrid organizations might attract people from any social movement, not necessarily anti-war movements. Option 4 is the best choice.