Ключевые слова: advertising, balance, balances, between, bipartisan, campaign, checks, choices, competition, conventions, decisions, democracy, demographics, differences, difficulties, discourse, dominate, election, electoral, finance, government, governments, groups, ideological, inability, incumbency, influence, leaders, legislators, majority, media, minority, negotiate, opposition, parties, party, platforms, polarization, political, politics, power, rivalry, shutdown, state, strategies, strategy, system, transitions, two, two party,