Of the following events, which would political scientists consider least likely to have a generational effect on people's political outlooks?

Even though their goal is to provide a collective good, public interest groups often struggle because they ______.

a. are often vulnerable to the free rider problem b. are liberal, and many conservatives oppose them strongly c. do not try to influence government, so their efforts never address real political issues d. are notorious for raising funds but not for using them to achieve collective goods e. look for economic benefits and are disappointed with the collective goods produced

What strategy combinations would lead to pareto optimal outcomes in Game 4?

What will be an ideal response?