How are interest groups limited?

Diffrent interest groups compete for power and influence, keeping any single group from controlling lawmakers and other public officals. The larger the interest groups are the more diverse the interest of the members. as a result smaller interest groups or those less unite people who have narrower aims have been most effective in shipping policy. While large interest groups have membership that provides an impressive financial base, most organizations struggle to pay small staffs. In recent years, however, the greatest concern about the power of interest groups has been their financial contributions to political campaigns...