Third Parties Democratic Party Challenges Historical Context Party Dynamics Criticism Public Opinion Challenges to the System Republicans and Democrats Labour Party Independence Political Polarization Impact of Reform UK Electoral Dynamics Challenges to the Two-Party System Republican Party Electoral College United States Uniparty US Politics Political Reform Electoral Reform Political Dynamics Challenges for Third Parties Political Change Political Duopoly Legal Framework Uniparty System Bipartisanship Disruption Political Stalemate Independent Voters Challenges of Third Parties Criticism of Political Parties Challenges to Two-Party System Failed Two-Party System Argentina Third-Party Candidates Critique Corruption Third-Party Voting Party Decline Electoral Challenges UK Politics