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								A group of citizens who organize to win elections, hold public offices, operate govts. , and determine public policy.									 | 
								Political Party									 | 
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								The winning cnadidate is the person who receives more votes than anyone else, but less than half the total.									 | 
								Plurality Election									 | 
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								An electoral district from which one person is chosen by the voters for each elected office. This type of electoral system typically leads to legislatures dominated by two political parties.									 | 
								Single-Member District									 | 
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								An historical period dominated by one political party.									 | 
								Party Era									 | 
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								An election when significant groups of voters change their traditional patterns of party loylaty.									 | 
								Critical Election									 | 
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								The majority party is displaced by the minority party, thus ushering in a new party era.									 | 
								Party Realignment									 | 
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								A govt. in which one party contros the presidency while another party controls Congress.									 | 
								Divided Govt.									 | 
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								An organizations of people whose members share views on specific interests and attempt to influence public policy to their benefit.									 | 
								Interest Group									 | 
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								A committee formed by business, labor, or other interest groups to raise money and make contributions to the campaigns of political candidates whom they support.									 | 
								Political Action Committee (PAC)									 | 
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								People who benefit from an interest group without making any constributions.									 | 
								Free Riders									 | 
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								The theory that a small number of very wealthy individuals, powerful corporate interst groups, and large inancial instituions dominate key policy areas.									 | 
								Power Elite Theory									 | 
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								The theory that many interest groups compete for power in a large number of policy areas.									 | 
								Pluralist Theory									 | 
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								The theory that govt. policy is weakened and often contradictory because there are so many competing interst groups.									 | 
								Hyperpluralist Theory									 | 
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								Means of communication such as newspapers, radio, television, and the Internet that can reach large, widely dispersed audiences.									 | 
								Mass Media									 | 
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								Institutions that connect citizens to govt. Examps include the mass media, interest groups, and political parties.									 | 
								Linkage Institutions									 |