Example image of eyePlorer eyePlorer map for 'Single-issue politics': Policy Political campaign Coalition Interest group Political faction Political party Public opinion Parliamentary system Proportional representation Two-party system United States Lobbying Representative democracy Caucus Western world Irish Home Rule bills Liberal Party (UK) Politics of the United Kingdom William Gladstone Abortion Animal rights Environment (biophysical) Gun politics Litmus Tax National Rifle Association Family values Instant-runoff voting Plurality voting system Cannabis political parties Green party Boston Bypass Independents Gay Activists Alliance Referendum Party Slower Speeds Initiative Alternative Democratic Reform Party Anti-Masonic Party Association pour la taxation des transactions pour l'aide aux citoyens Canadian federal election, 1988 Daylight Saving for South East Queensland Health Care Party Leave Us Alone Coalition Party for Animals Stop E4 West - Culture Party Big tent Boston Borough Council elections, 2007 Citizens' List Jean-Pierre Koepp Consumer organization Quebec general election, 1962