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Progressive reforms, imperialism, Spanish-American War, WWI, and the 1920s
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Explore Progressive Era reforms (muckrakers, trust-busting, women's suffrage, 16th-19th Amendments), American imperialism (Spanish-American War, Panama Canal), WWI (causes, US entry, Treaty of Versailles, League of Nations), and the Roaring Twenties (Harlem Renaissance, Red Scare, Prohibition).
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