Answer: B. Encouraging citizens to file lawsuits against other parties.
Political parties are groups of people that share common political views, and come together to try to hold power in the government through a popular election. Political parties can influence public policy in several ways. They can create political campaigns to try to persuade voters to support their candidates. They can also help the officials that have been elected from their party be more popular and effective. Finally, they can try to promote their candidates so that they get elected during elections.