There are several reasons and methods for changing laws. Reasons include evolving social values, societal changes, technological advances, community protection, and rights access. Change is influenced both formally through government bodies like parliamentary committees and royal commissions, and informally through media, political parties, pressure groups, and individuals. Methods to influence change include demonstrations, defiance, petitions, lobbying, media engagement, and private members' bills. For example, pressure groups may lobby parliamentary committees to propose bills addressing their issues.