Nominate candidates
Political parties play the leading in nominating candidates for political office.

Stimulate interest
Political parties try to stimulate interest in elections and public policy through activities such as campaigns, conventions, and debates.

Inform voters
Political parties publicize their positions on major issues thereby helping citizens form opinions on public policy matters.

Serve as a “Watchdog”
The party out of power watches over the actions of the party in power, criticizes from the standpoint of the "loyal opposition," and serves as an effective addition to the system of checks and balances.

Propose Public Policy
Political parties propose solutions to problems that require, or can benefit from, goverment action.

Operate the Government
Political parties play a key role in running and staffing the government.

Dispense Patronage
Political parties hand out rewards (i.e. government jobs, contracts, appointments etc.) to their members and supporters in exchange for party support.