Progressivism (United States politics) 2 2009 1 21st century 1 21st century. -- 1 Attitudes -- 1 Democracy -- 1 Foreign public opinion, American 1 more ... Foreign relations -- 1 Great powers 1 History -- 1 Intellectuals -- 1 Military policy 1 Philosophy 1 Politics and government -- 1 Progressivism ( United States politics) -- 1 Public opinion -- 1 Radicals -- 1 Relations -- 1 Strategy 1 World politics -- 1 less ...